Engineering & Technology
Pre-modern engineering manuals, builder's guides, and technical handbooks — practical knowledge underrepresented in modern training corpora.
Color Images from Mars Rovers Spirit and Opportunity
Webster, Bob
27,745 Gutenberg downloadsen2004Difficulty 58 (Graduate)Concrete Construction: Methods and Costs
Gillette, Halbert Powers & Hill, Charles Shattuck
26,555 Gutenberg downloadsen2008Difficulty 63 (Academic)Mechanical Drawing Self-Taught Comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing; together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers
Rose, Joshua
18,450 Gutenberg downloadsen2007Difficulty 71 (Expert)Steam, Its Generation and Use
Babcock & Wilcox Company
12,520 Gutenberg downloadsen2007Difficulty 64 (Academic)The Notebooks of Leonardo Da Vinci — Complete
Leonardo, da Vinci
12,425 Gutenberg downloadsen2004Difficulty 52 (Graduate)Practical Mechanics for Boys
Zerbe, James Slough
11,258 Gutenberg downloadsen2007Difficulty 45 (College)The Dyeing of Cotton Fabrics: A Practical Handbook for the Dyer and Student
Beech, Franklin
7,797 Gutenberg downloadsen2007Difficulty 55 (Graduate)James Watt
Carnegie, Andrew
7,319 Gutenberg downloadsen2008Difficulty 54 (Graduate)Electricity for Boys
Zerbe, James Slough
6,793 Gutenberg downloadsen2007Difficulty 52 (Graduate)How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity
St. John, Thomas M. (Thomas Matthew)
6,626 Gutenberg downloadsen2009Difficulty 44 (College)Steam Turbines A Book of Instruction for the Adjustment and Operation of the Principal Types of this Class of Prime Movers
Collins, Hubert E. (Hubert Edwin)
6,502 Gutenberg downloadsen2009Difficulty 50 (College)Ocean Steam Navigation and the Ocean Post
Rainey, Thomas
6,315 Gutenberg downloadsen2008Difficulty 77 (Expert)Elements of Plumbing
Dibble, Samuel Edward
6,045 Gutenberg downloadsen2008Difficulty 46 (College)Mission Furniture: How to Make It, Part 3
Windsor, H. H. (Henry Haven)
5,258 Gutenberg downloadsen2007Difficulty 38 (High School)The handbook of soap manufacture
Simmons, W. H. (William Herbert) & Appleton, H. A.
4,510 Gutenberg downloadsen2007Difficulty 74 (Expert)The Evolution of Naval Armament
Robertson, Frederick Leslie
3,998 Gutenberg downloadsen2018Difficulty 61 (Academic)Mission Furniture: How to Make It, Part 1
Windsor, H. H. (Henry Haven)
3,913 Gutenberg downloadsen2007Difficulty 41 (College)L'isthme de Panama Examen historique et géographique des différentes directions suivant lesquelles on pourrait le percer et des moyens à y employer; suivi d'un aperçu sur l'isthme de Suez.
Chevalier, Michel
3,824 Gutenberg downloadsfr2008James B. Eads
How, Louis
3,787 Gutenberg downloadsen2008Difficulty 52 (Graduate)De Re Metallica, Translated from the First Latin Edition of 1556
Agricola, Georg
3,763 Gutenberg downloadsen2011Difficulty 64 (Academic)Fire prevention and fire extinction
Braidwood, James
3,721 Gutenberg downloadsen2008Difficulty 69 (Academic)A Newly Discovered System of Electrical Medication
Clark, Daniel
3,590 Gutenberg downloadsen2007Difficulty 66 (Academic)Lectures in Navigation
Draper, Ernest Gallaudet
3,317 Gutenberg downloadsen2008Difficulty 46 (College)Agricultural Implements and Machines in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17
Schlebecker, John T.
3,232 Gutenberg downloadsen2008Difficulty 59 (Graduate)Learning to Fly: A Practical Manual for Beginners
Grahame-White, Claude & Harper, Harry
3,036 Gutenberg downloadsen2008Difficulty 55 (Graduate)Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.
American Society of Civil Engineers & Hardy, E. D.
3,035 Gutenberg downloadsen2008Difficulty 49 (College)German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering
Kroeh, Charles Frederick
3,034 Gutenberg downloadsde2007Aviation in Peace and War
Sykes, Frederick Hugh, Sir
2,971 Gutenberg downloadsen2008Difficulty 61 (Academic)The Online World
De Presno, Odd
2,959 Gutenberg downloadsen1993Difficulty 51 (Graduate)The Palace and Park Its Natural History, and Its Portrait Gallery, Together with a Description of the Pompeian Court
Phillips, Samuel & Forbes, Edward & Latham, R. G. (Robert Gordon) & Owen, Richard & Scharf, George & Shenton, F. K. J. (Francis Kingston John)
2,824 Gutenberg downloadsen2019Difficulty 57 (Graduate)The Standard Electrical Dictionary A Popular Dictionary of Words and Terms Used in the Practice of Electrical Engineering
Sloane, T. O'Conor (Thomas O'Conor)
2,802 Gutenberg downloadsen2008Difficulty 54 (Graduate)Gas and Oil Engines, Simply Explained An Elementary Instruction Book for Amateurs and Engine Attendants
Runciman, Walter C.
2,743 Gutenberg downloadsen2008Difficulty 57 (Graduate)History of the Royal Sappers and Miners, Volume 1 (of 2) From the Formation of the Corps in March 1712 to the date when its designation was changed to that of Royal Engineers
Connolly, T. W. J. (Thomas William John)
2,670 Gutenberg downloadsen2017Difficulty 79 (Expert)Opportunities in Aviation
Sweetser, Arthur & Lamont, Gordon
2,656 Gutenberg downloadsen2007Difficulty 58 (Graduate)The Progress of Invention in the Nineteenth Century.
Byrn, Edward W. (Edward Wright)
2,442 Gutenberg downloadsen2012Difficulty 56 (Graduate)Steam-ships : $b The story of their development to the present day
Fletcher, R. A.
2,423 Gutenberg downloadsen2024Difficulty 50 (College)The Condition and Tendencies of Technical Education in Germany
Chamberlain, Arthur Henry
2,415 Gutenberg downloadsen2008Difficulty 61 (Academic)My Life and Work
Ford, Henry & Crowther, Samuel
2,377 Gutenberg downloadsen2005Difficulty 44 (College)How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use
Williams, Archibald
2,312 Gutenberg downloadsen2009Difficulty 58 (Graduate)The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting
Martin, Thomas Commerford
2,233 Gutenberg downloadsen2012Difficulty 57 (Graduate)The Silicon Jungle
Rothman, David H.
2,080 Gutenberg downloadsen2017Difficulty 53 (Graduate)The book of wonders : $b gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer...
Unknown
2,069 Gutenberg downloadsen2025Difficulty 48 (College)History of merchant shipping and ancient commerce, Volume 4 (of 4)
Lindsay, W. S. (William Schaw)
2,000 Gutenberg downloadsen2024Difficulty 78 (Expert)Scientific American, Volume 56, No. 9, February 26, 1887
Various
1,946 Gutenberg downloadsen2015Difficulty 54 (Graduate)Jane's All the World's Aircraft. 1913
Unknown
1,874 Gutenberg downloadsen2011Difficulty 71 (Expert)Edison: His Life and Inventions
Dyer, Frank Lewis & Martin, Thomas Commerford
1,828 Gutenberg downloadsen2006Difficulty 62 (Academic)Cyclopedia of Telephony and Telegraphy, Vol. 1 A General Reference Work on Telephony, etc. etc.
American School of Correspondence
1,808 Gutenberg downloadsen2005Difficulty 74 (Expert)English and American tool builders
Roe, Joseph Wickham
1,792 Gutenberg downloadsen2023Difficulty 51 (Graduate)Garden Cities of To-Morrow Being the Second Edition of "To-Morrow: a Peaceful Path to Real Reform"
Howard, Ebenezer, Sir
1,792 Gutenberg downloadsen2014Difficulty 63 (Academic)Waterways and Water Transport in Different Countries With a description of the Panama, Suez, Manchester, Nicaraguan, and other canals.
Jeans, J. Stephen (James Stephen)
1,757 Gutenberg downloadsen2018Difficulty 58 (Graduate)Smithsonian Institution - United States National Museum - Bulletin 240 Contributions From the Museum of History and Technology Papers 34-44 on Science and Technology
Museum of History and Technology (U.S.)
1,749 Gutenberg downloadsen2012Difficulty 57 (Graduate)The Jargon File, Version 2.9.10, 01 Jul 1992
Unknown
1,726 Gutenberg downloadsen1992Difficulty 64 (Academic)Inventions in the century
Doolittle, William H. (William Henry)
1,711 Gutenberg downloadsen2011Difficulty 67 (Academic)A Dictionary of Arts, Manufactures and Mines containing a clear exposition of their principles and practice
Ure, Andrew
1,706 Gutenberg downloadsen2014Difficulty 69 (Academic)The Aeroplane Speaks. Fifth Edition
Barber, H. (Horatio)
1,705 Gutenberg downloadsen2007Difficulty 49 (College)Makers of Many Things
Tappan, Eva March
1,694 Gutenberg downloadsen2009Difficulty 45 (College)Discoveries and Inventions of the Nineteenth Century
Routledge, Robert
1,689 Gutenberg downloadsen2017Difficulty 51 (Graduate)The Life of Thomas Telford, Civil Engineer With an Introductory History of Roads and Travelling in Great Britain
Smiles, Samuel
1,673 Gutenberg downloadsen1997Difficulty 70 (Academic)A History of the Growth of the Steam-Engine
Thurston, Robert Henry
1,656 Gutenberg downloadsen2011Difficulty 57 (Graduate)Encyclopaedia Britannica, 11th Edition, "Armour Plates" to "Arundel, Earls of" Volume 2, Slice 6
Various
1,649 Gutenberg downloadsen2010Difficulty 57 (Graduate)Highways and Highway Transportation
Chatburn, George R.
1,648 Gutenberg downloadsen2021Difficulty 63 (Academic)Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant.
Thomssen, Edgar George
1,633 Gutenberg downloadsen2010Difficulty 56 (Graduate)Woodworking Tools 1600-1900
Welsh, Peter C.
1,629 Gutenberg downloadsen2008Difficulty 54 (Graduate)Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
Tesla, Nikola
1,623 Gutenberg downloadsen2004Difficulty 63 (Academic)Encyclopaedia Britannica, 11th Edition, "Destructors" to "Diameter" Volume 8, Slice 3
Various
1,590 Gutenberg downloadsen2009Difficulty 60 (Graduate)The Manufacture of Paper With Illustrations, and a Bibliography of Works Relating to Cellulose and Paper-Making
Sindall, R. W. (Robert Walter)
1,589 Gutenberg downloadsen2014Difficulty 54 (Graduate)The history of steam navigation
Kennedy, John
1,582 Gutenberg downloadsen2023Difficulty 55 (Graduate)A History of Inventions, Discoveries, and Origins, Volume 2 (of 2)
Beckmann, Johann
1,557 Gutenberg downloadsen2015Difficulty 68 (Academic)The Story of the Typewriter, 1873-1923
Herkimer County Historical Society
1,553 Gutenberg downloadsen2019Difficulty 58 (Graduate)Modern Machine-Shop Practice, Volumes I and II
Rose, Joshua
1,504 Gutenberg downloadsen2012Difficulty 80 (Expert)Ocean Steamships A popular account of their construction, development, management and appliances
Chadwick, French Ensor & Gould, John H. & Hunt, Ridgely & Kelley, J. D. Jerrold (James Douglas Jerrold) & Rideing, William H. (William Henry) & Seaton, A. E. (Albert Edward)
1,488 Gutenberg downloadsen2017Difficulty 72 (Expert)Lives of the Engineers The Locomotive. George and Robert Stephenson
Smiles, Samuel
1,485 Gutenberg downloadsen2009Difficulty 61 (Academic)The evolution of the steam locomotive (1803 to 1898)
Nokes, George Augustus
1,474 Gutenberg downloadsen2024Difficulty 61 (Academic)The Modern Railroad
Hungerford, Edward
1,430 Gutenberg downloadsen2012Difficulty 94 (Quantum Electrodynamics)Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
1,389 Gutenberg downloadsen2006Difficulty 56 (Graduate)Steamships and their story
Chatterton, E. Keble (Edward Keble)
1,386 Gutenberg downloadsen2023Difficulty 64 (Academic)The Pencil of Nature
Talbot, William Henry Fox
1,385 Gutenberg downloadsen2010Difficulty 56 (Graduate)The Boy Mechanic, Book 2: 1000 Things for Boys to Do
Unknown
1,338 Gutenberg downloadsen2014Difficulty 49 (College)Passages from the Life of a Philosopher
Babbage, Charles
1,325 Gutenberg downloadsen2018Difficulty 51 (Graduate)The American Printer: A Manual of Typography Containing practical directions for managing all departments of a printing office, as well as complete instructions for apprentices; with several useful tables, numerous schemes for imposing forms in every variety, hints to authors, etc.
MacKellar, Thomas
1,303 Gutenberg downloadsen2018Difficulty 68 (Academic)An Introduction to Machine Drawing and Design
Low, David Allan
1,285 Gutenberg downloadsen2012Difficulty 49 (College)The Bark Canoes and Skin Boats of North America
Adney, Tappan & Chapelle, Howard Irving
1,270 Gutenberg downloadsen2016Difficulty 53 (Graduate)Railway Adventures and Anecdotes: Extending over More Than Fifty Years
Unknown
1,267 Gutenberg downloadsen2010Difficulty 68 (Academic)The Boy Electrician
Morgan, Alfred Powell
1,264 Gutenberg downloadsen2020Difficulty 47 (College)The Panama Canal
Haskin, Frederic J. (Frederic Jennings)
1,253 Gutenberg downloadsen2013Difficulty 56 (Graduate)Encyclopaedia Britannica, 11th Edition, "Joints" to "Justinian I." Volume 15, Slice 5
Various
1,232 Gutenberg downloadsen2012Difficulty 65 (Academic)The Mechanical Properties of Wood Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing
Record, Samuel J. (Samuel James)
1,226 Gutenberg downloadsen2004Difficulty 55 (Graduate)The Jacquard Machine Analyzed and Explained With an appendix on the preparation of jacquard cards, and practical hints to learners of jacquard designing
Posselt, E. A. (Emanuel Anthony)
1,219 Gutenberg downloadsen2017Difficulty 51 (Graduate)Field artillery materiel
Unknown
1,205 Gutenberg downloadsen2023Difficulty 58 (Graduate)The Life of George Stephenson and of his Son Robert Stephenson Comprising Also a History of the Invention and Introduction of the Railway Locomotive
Smiles, Samuel
1,195 Gutenberg downloadsen2014Difficulty 61 (Academic)Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad The Terminal Station - West
Cresson, Benjamin Franklin
1,195 Gutenberg downloadsen2005Difficulty 49 (College)Principles and Practice of Fur Dressing and Fur Dyeing
Austin, William E.
1,181 Gutenberg downloadsen2013Difficulty 50 (College)Rockets, Missiles, and Spacecraft of the National Air and Space Museum, Smithsonian Institution
Murphy, Lynne C.
1,177 Gutenberg downloadsen2018Difficulty 63 (Academic)The Boy's Book of New Inventions
Maule, Harry E. (Harry Edward)
1,177 Gutenberg downloadsen2014Difficulty 60 (Graduate)A Practical Treatise on Gas-light Exhibiting a Summary Description of the Apparatus and Machinery Best Calculated for Illuminating Streets, Houses, and Manufactories, with Carburetted Hydrogen, or Coal-Gas, with Remarks on the Utility, Safety, and General Nature of this new Branch of Civil Economy.
Accum, Friedrich Christian
1,176 Gutenberg downloadsen2014Difficulty 60 (Graduate)The History of the Telephone
Casson, Herbert Newton
1,170 Gutenberg downloadsen1997Difficulty 49 (College)Keely and His Discoveries: Aerial Navigation
Moore, Bloomfield H., Mrs.
1,153 Gutenberg downloadsen2018Difficulty 60 (Graduate)Encyclopaedia Britannica, 11th Edition, "Hydromechanics" to "Ichnography" Volume 14, Slice 2
Various
1,146 Gutenberg downloadsen2012Difficulty 70 (Academic)The Project Gutenberg RST Manual
Perathoner, Marcello
1,143 Gutenberg downloadsen2001Difficulty 50 (College)American Rural Highways
Agg, T. R. (Thomas Radford)
1,141 Gutenberg downloadsen2009Difficulty 74 (Expert)Carriages & Coaches: Their History & Their Evolution
Straus, Ralph
1,141 Gutenberg downloadsen2014Difficulty 55 (Graduate)Aërial Navigation A Popular Treatise on the Growth of Air Craft and on Aëronautical Meteorology
Zahm, Albert Francis
1,135 Gutenberg downloadsen2019Difficulty 53 (Graduate)The Rise of Rail-Power in War and Conquest, 1833-1914
Pratt, Edwin A.
1,127 Gutenberg downloadsen2013Difficulty 78 (Expert)The Advance of Science in the Last Half-Century
Huxley, Thomas Henry
1,124 Gutenberg downloadsen2005Difficulty 73 (Expert)Heroes of the Telegraph
Munro, John
1,110 Gutenberg downloadsen1997Difficulty 57 (Graduate)Underground: Hacking, madness and obsession on the electronic frontier
Dreyfus, Suelette
1,107 Gutenberg downloadsen2003Difficulty 53 (Graduate)Terrestrial and Celestial Globes Volume 2 Their History and Construction Including a Consideration of their Value as Aids in the Study of Geography and Astronomy
Stevenson, Edward Luther
1,092 Gutenberg downloadsen2012Difficulty 58 (Graduate)The Invention of Printing. A Collection of Facts and Opinions, Descriptive of Early Prints and Playing Cards, the Block-Books of the Fifteenth Century, the Legend of Lourens Janszoon Coster, of Haarlem, and the Work of John Gutenberg and His Associates
De Vinne, Theodore Low
1,092 Gutenberg downloadsen2016Difficulty 52 (Graduate)Nature's Teachings: Human Invention Anticipated by Nature
Wood, J. G. (John George)
1,088 Gutenberg downloadsen2016Difficulty 51 (Graduate)Computers—the machines we think with
Halacy, D. S. (Daniel Stephen)
1,084 Gutenberg downloadsen2024Difficulty 58 (Graduate)Scientific American Supplement, No. 1178, June 25, 1898
Various
1,082 Gutenberg downloadsen2006Difficulty 57 (Graduate)Men of Invention and Industry
Smiles, Samuel
1,080 Gutenberg downloadsen1996Difficulty 54 (Graduate)Electric Bells and All About Them: A Practical Book for Practical Men
Bottone, Selimo Romeo
1,072 Gutenberg downloadsen2012Difficulty 51 (Graduate)Rambles on Railways
Roney, Cusack P., Sir
1,072 Gutenberg downloadsen2015Difficulty 58 (Graduate)Textiles, for Commercial, Industrial, and Domestic Arts Schools Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades
Dooley, William H. (William Henry)
1,072 Gutenberg downloadsen2007Difficulty 54 (Graduate)Mechanics: The Science of Machinery
Bond, A. Russell (Alexander Russell)
1,071 Gutenberg downloadsen2015Difficulty 53 (Graduate)Time Telling through the Ages
Brearley, Harry Chase
1,069 Gutenberg downloadsen2015Difficulty 53 (Graduate)Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons
Abbot, Willis J. (Willis John)
1,068 Gutenberg downloadsen2009Difficulty 59 (Graduate)The Romance of Modern Invention Containing Interesting Descriptions in Non-technical Language of Wireless Telegraphy, Liquid Air, Modern Artillery, Submarines, Dirigible Torpedoes, Solar Motors, Airships, &c. &c.
Williams, Archibald
1,066 Gutenberg downloadsen2012Difficulty 56 (Graduate)History of the Royal Sappers and Miners, Volume 2 (of 2) From the Formation of the Corps in March 1712 to the date when its designation was changed to that of Royal Engineers
Connolly, T. W. J. (Thomas William John)
1,064 Gutenberg downloadsen2019Difficulty 95 (Quantum Electrodynamics)Modern ships of war
Reed, Edward J. (Edward James), Sir & Simpson, Edward
1,064 Gutenberg downloadsen2024Difficulty 64 (Academic)A short history of the printing press and of the improvements in printing machinery from the time of Gutenberg up to the present day
Hoe, Robert
1,060 Gutenberg downloadsen2020Difficulty 61 (Academic)A History of Aeronautics
Vivian, Evelyn Charles & Marsh, W. Lockwood (William Lockwood)
1,051 Gutenberg downloadsen2018Difficulty 60 (Graduate)The Romance of Modern Mechanism With Interesting Descriptions in Non-technical Language of Wonderful Machinery and Mechanical Devices and Marvellously Delicate Scientific Instruments
Williams, Archibald
1,049 Gutenberg downloadsen2014Difficulty 57 (Graduate)The Invention of the Sewing Machine
Cooper, Grace Rogers
1,042 Gutenberg downloadsen2010Difficulty 57 (Graduate)Twentieth Century Inventions: A Forecast
Sutherland, George
1,042 Gutenberg downloadsen2010Difficulty 70 (Academic)Aircraft : $b its development in war and peace and its commercial future
David, Evan John
1,038 Gutenberg downloadsen2024Difficulty 61 (Academic)Samuel F. B. Morse, His Letters and Journals In Two Volumes, Volume II
Morse, Samuel Finley Breese
1,033 Gutenberg downloadsen2004Difficulty 55 (Graduate)Inventors at Work, with Chapters on Discovery
Iles, George
1,029 Gutenberg downloadsen2015Difficulty 60 (Graduate)The Wright Brothers' Engines and Their Design
Hobbs, Leonard S.
1,025 Gutenberg downloadsen2012Difficulty 68 (Academic)Artificial Light: Its Influence upon Civilization
Luckiesh, Matthew
1,014 Gutenberg downloadsen2006Difficulty 63 (Academic)The Story of Great Inventions
Burns, Elmer Ellsworth
1,014 Gutenberg downloadsen2011Difficulty 57 (Graduate)Gunnery in 1858: Being a Treatise on Rifles, Cannon, and Sporting Arms Explaining the Principles of the Science of Gunnery, and Describing the Newest Improvements in Fire-Arms
Greener, William
1,013 Gutenberg downloadsen2013Difficulty 83 (Specialist)The boy mechanic, book 3 : $b 800 things for boys to do
Unknown
1,010 Gutenberg downloadsen2023Difficulty 43 (College)The Microscope. Its History, Construction, and Application 15th ed. Being a familiar introduction to the use of the instrument, and the study of microscopical science
Hogg, Jabez
1,008 Gutenberg downloadsen2020Difficulty 67 (Academic)A treatise on the origin, progress, prevention, and cure of dry rot in timber : $b with remarks on the means of preserving wood from destruction by sea worms, beetles, ants, etc.
Britton, Thomas Allen
1,006 Gutenberg downloadsen2017Difficulty 57 (Graduate)The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose : $b classified & arranged for reference for the use of engineers, mechanical draughtsmen, managers, mechanics, inventors, patent agents, and all engaged in the mechanical arts
Barber, Thomas Walter
1,005 Gutenberg downloadsen2018Difficulty 55 (Graduate)The Manufacture of Chocolate and other Cacao Preparations
Zipperer, Paul
1,002 Gutenberg downloadsen2017Difficulty 57 (Graduate)Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels. Paper No. 1155
Hewett, Bertram Henry Majendie & Brown, W. L.
994 Gutenberg downloadsen2013Difficulty 47 (College)Early American Scientific Instruments and Their Makers
Bedini, Silvio A.
992 Gutenberg downloadsen2012Difficulty 70 (Academic)Motorcycle, Solo (Harley-Davidson Model WLA)
United States. War Department
988 Gutenberg downloadsen2016Difficulty 57 (Graduate)Water Supply: the Present Practice of Sinking and Boring Wells With Geological Considerations and Examples of Wells Executed
Spon, Ernest
985 Gutenberg downloadsen2014Difficulty 64 (Academic)The Automobile Storage Battery: Its Care And Repair
Witte, Otto A.
979 Gutenberg downloadsen2009Difficulty 54 (Graduate)Panama and the Canal in Picture and Prose
Abbot, Willis J. (Willis John)
978 Gutenberg downloadsen2021Difficulty 100 (Quantum Electrodynamics)The works of the highly experienced and famous chymist, John Rudolph Glauber : $b containing, great variety of choice secrets in medicine and alchymy in the working of metallick mines, and the separation of metals: also, various cheap and easie ways of making salt-petre, and improving of barren-land, and the fruits of the earth.
Glauber, Johann Rudolf
967 Gutenberg downloadsen2024Difficulty 69 (Academic)Tube, Train, Tram, and Car; or, Up-to-date locomotion
Beavan, Arthur H. (Arthur Henry)
967 Gutenberg downloadsen2017Difficulty 62 (Academic)The life of Isambard Kingdom Brunel, Civil Engineer
Brunel, Isambard
956 Gutenberg downloadsen2012Difficulty 57 (Graduate)Lightships and Lighthouses
Talbot, Frederick Arthur Ambrose
948 Gutenberg downloadsen2016Difficulty 61 (Academic)Debian GNU/Linux : Guide to Installation and Usage
Goerzen, John & Othman, Ossama
944 Gutenberg downloadsen2004Difficulty 51 (Graduate)The First Airplane Diesel Engine: Packard Model DR-980 of 1928
Meyer, Robert B.
942 Gutenberg downloadsen2010Difficulty 58 (Graduate)Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
938 Gutenberg downloadsen2009Difficulty 49 (College)The American Railway: Its Construction, Development, Management, and Appliances
Clarke, Thomas Curtis
936 Gutenberg downloadsen2017Difficulty 88 (Specialist)The Submarine in War and Peace: Its Development and its Possibilities
Lake, Simon
933 Gutenberg downloadsen2014Difficulty 66 (Academic)Gunpowder and Ammunition, Their Origin and Progress
Hime, H. W. L. (Henry William Lovett)
932 Gutenberg downloadsen2017Difficulty 52 (Graduate)Seasoning of Wood
Wagner, J. B. (Joseph Bernard)
922 Gutenberg downloadsen2008Difficulty 59 (Graduate)The Recent Revolution in Organ Building Being an Account of Modern Developments
Miller, George Laing
921 Gutenberg downloadsen2007Difficulty 54 (Graduate)Lives of Boulton and Watt. Principally from the Original Soho Mss. Comprising also a history of the invention and introduction of the steam engine
Smiles, Samuel
913 Gutenberg downloadsen2016Difficulty 86 (Specialist)Giant brains; or, Machines that think
Berkeley, Edmund Callis
910 Gutenberg downloadsen2022Difficulty 48 (College)Handbuch der Geschichte der Buchdruckerkunst. Zweiter Teil Wiedererwachen und neue Blüte der Kunst. 1751-1882.
Lorck, Carl Berendt
906 Gutenberg downloadsde2019Pyrometry: A Practical Treatise on the Measurement of High Temperatures
Darling, Charles R. (Charles Robert)
902 Gutenberg downloadsen2018Difficulty 71 (Expert)Illustrated Catalogue of Locomotives; Baldwin Locomotive Works
Baldwin Locomotive Works
899 Gutenberg downloadsen2012Difficulty 55 (Graduate)Surveying and Levelling Instruments, Theoretically and Practically Described. For construction, qualities, selection, preservation, adjustments, and uses; with other apparatus and appliances used by civil engineers and surveyors in the field.
Stanley, William Ford
899 Gutenberg downloadsen2020Difficulty 73 (Expert)The New York Subway, Its Construction and Equipment
Interborough Rapid Transit Company
897 Gutenberg downloadsen2006Difficulty 62 (Academic)Kinematics of Mechanisms from the Time of Watt
Ferguson, Eugene S.
891 Gutenberg downloadsen2008Difficulty 59 (Graduate)The Crystal Palace : $b its architectural history and constructive marvels
Berlyn, Peter & Fowler, Charles, Jr.
889 Gutenberg downloadsen2013Difficulty 78 (Expert)Autobiography of Sir John Rennie, F.R.S., Past President of the Institute of Civil Engineers Comprising the history of his professional life, together with reminiscences dating from the commencement of the century to the present time.
Rennie, John, Sir
888 Gutenberg downloadsen2017Difficulty 63 (Academic)The story of the invention of steel pens : $b with a description of the manufacturing process by which they are produced
Bore, Henry
886 Gutenberg downloadsen2006Difficulty 49 (College)The Radio Amateur's Hand Book A Complete, Authentic and Informative Work on Wireless Telegraphy and Telephony
Collins, A. Frederick (Archie Frederick)
885 Gutenberg downloadsen2004Difficulty 63 (Academic)The Life, Times, and Scientific Labours of the Second Marquis of Worcester To which is added a reprint of his Century of Inventions, 1663, with a Commentary thereon.
Dircks, Henry
883 Gutenberg downloadsen2016Difficulty 66 (Academic)The Modern Bicycle and Its Accessories
Schwalbach, Alex & Wilcox, Julius
883 Gutenberg downloadsen2018Difficulty 63 (Academic)The History of Coaches
Thrupp, George Athelstane
881 Gutenberg downloadsen2015Difficulty 55 (Graduate)Der Weltverkehr Telegraphie und Post, Eisenbahnen und Schiffahrt, in ihrer Entwickelung dargestellt
Geistbeck, Michael
877 Gutenberg downloadsde2016Electric Transmission of Water Power
Adams, Alton D. (Alton Dermont)
874 Gutenberg downloadsen2015Difficulty 61 (Academic)Wonderful Balloon Ascents; Or, The Conquest of the Skies A History of Balloons and Balloon Voyages
Marion, Fulgence
862 Gutenberg downloadsen1997Difficulty 59 (Graduate)Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc.
American School of Correspondence
861 Gutenberg downloadsen2010Difficulty 76 (Expert)A handbook of laboratory glass-blowing
Bolas, Bernard D. (Bernard Dell)
854 Gutenberg downloadsen2010Difficulty 54 (Graduate)The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association
Smith, Watson
853 Gutenberg downloadsen2006Difficulty 57 (Graduate)Development of the Phonograph at Alexander Graham Bell's Volta Laboratory Contributions from the Museum of History and Technology, United States National Museum Bulletin 218, Paper 5, (pages 69-79)
Newville, Leslie J.
852 Gutenberg downloadsen2009Difficulty 54 (Graduate)Free as in Freedom: Richard Stallman's Crusade for Free Software
Williams, Sam
851 Gutenberg downloadsen2004Difficulty 57 (Graduate)The Panama Canal: A history and description of the enterprise
Mills, J. Saxon (John Saxon)
851 Gutenberg downloadsen2010Difficulty 60 (Graduate)Farm Engines and How to Run Them: The Young Engineer's Guide
Stephenson, James H.
847 Gutenberg downloadsen2013Difficulty 48 (College)Portable Flame Thrower M2-2
United States. War Department
844 Gutenberg downloadsen2016Difficulty 53 (Graduate)The Romance of Industry and Invention
Unknown
844 Gutenberg downloadsen2011Difficulty 67 (Academic)Technology and Books for All
Lebert, Marie
842 Gutenberg downloadsen2008Difficulty 61 (Academic)Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Tunnels. Paper No. 1159
Brace, James H. & Mason, Francis & Woodard, S. H.
842 Gutenberg downloadsen2006Difficulty 42 (College)James Nasmyth, Engineer: An Autobiography
Nasmyth, James
841 Gutenberg downloadsen1996Difficulty 64 (Academic)Wireless Telegraph Construction For Amateurs
Morgan, Alfred Powell
841 Gutenberg downloadsen2020Difficulty 56 (Graduate)American Hand Book of the Daguerreotype
Humphrey, S. D. (Samuel Dwight)
840 Gutenberg downloadsen1994Difficulty 61 (Academic)The gunsmith's manual : $b A complete handbook for the American gunsmith, being a practical guide to all branches of the trade
Stelle, J. Parish (James Parish) & Harrison, Wm. B. (William B.)
839 Gutenberg downloadsen2023Difficulty 64 (Academic)Animal Proteins
Bennett, Hugh Garner
838 Gutenberg downloadsen2012Difficulty 57 (Graduate)A Catechism of the Steam Engine
Bourne, John, C. E.
836 Gutenberg downloadsen2004Difficulty 57 (Graduate)The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel
Colvin, Fred H. (Fred Herbert) & Juthe, K. A. (Kristian A.)
836 Gutenberg downloadsen2007Difficulty 52 (Graduate)A system of pyrotechny : $b Comprehending the theory and practice, with the application of chemistry; designed for exhibition and for war.
Cutbush, James
835 Gutenberg downloadsen2015Difficulty 45 (College)The Invention of Lithography
Senefelder, Alois
834 Gutenberg downloadsen2012Difficulty 60 (Graduate)Railway Construction
Mills, William Hemingway
826 Gutenberg downloadsen2015Difficulty 64 (Academic)Straw Hats: Their history and manufacture
Inwards, Harry
824 Gutenberg downloadsen2015Difficulty 56 (Graduate)A History of Aeronautics
Vivian, Evelyn Charles & Marsh, W. Lockwood (William Lockwood)
822 Gutenberg downloadsen1997Difficulty 60 (Graduate)Steam Engines
Anonymous
820 Gutenberg downloadsen2010Difficulty 54 (Graduate)Two Centuries of Shipbuilding by the Scotts at Greenock
Scotts' Shipbuilding & Engineering Co. Ltd.
819 Gutenberg downloadsen2017Difficulty 56 (Graduate)Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966
Lenzen, Victor F. (Victor Fritz) & Multhauf, Robert P.
812 Gutenberg downloadsen2011Difficulty 66 (Academic)Principles of Mining: Valuation, Organization and Administration
Hoover, Herbert
810 Gutenberg downloadsen2008Difficulty 63 (Academic)Flying Machines: Construction and Operation A Practical Book Which Shows, in Illustrations, Working Plans and Text, How to Build and Navigate the Modern Airship
Jackman, William J. (William James) & Chanute, Octave & Russell, Thomas Herbert
808 Gutenberg downloadsen1997Difficulty 56 (Graduate)Glue, gelatine, animal charcoal, phosphorous, cements, pastes and mucilages : $b comprising the raw materials and manufacture of skin and bone glue, different varieties of glue, animal charcoal, phosphorus, gelatine and products prepared from it; isinglass and fish-glue, methods of testing glue and gelatine, and the preparation and application of cements, pastes and mucilages for use in the workshop, laboratory, and office
Dawidowsky, F. (Ferdinand)
807 Gutenberg downloadsen2016Difficulty 91 (Quantum Electrodynamics)Induction Coils, How to Make, Use, and Repair Them. Including Ruhmkorff, Tesla, and Medical Coils, Roentgen Radiography, Etc. Etc.
Norrie, H. S.
803 Gutenberg downloadsen2017Difficulty 50 (College)Aviation Engines: Design—Construction—Operation and Repair
Pagé, Victor Wilfred
802 Gutenberg downloadsen2011Difficulty 74 (Expert)On the Origin of Clockwork, Perpetual Motion Devices, and the Compass
Price, Derek J. de Solla (Derek John de Solla)
801 Gutenberg downloadsen2009Difficulty 65 (Academic)The Principles of Leather Manufacture
Procter, H. R. (Henry Richardson)
800 Gutenberg downloadsen2018Difficulty 74 (Expert)ASCE 1193: The Water-Works and Sewerage of Monterrey, N. L., Mexico The 4th article from the June, 1911, Volume LXXII, Transactions of the American Society of Civil Engineers. Paper No. 1193, Feb. 1, 1911.
Conway, G. R. G. (George Robert Graham)
797 Gutenberg downloadsen2011Difficulty 55 (Graduate)Farm Mechanics: Machinery and Its Use to Save Hand Labor on the Farm.
Shearer, Herbert A.
795 Gutenberg downloadsen2012Difficulty 42 (College)History of Sanitation
Cosgrove, J. J. (John Joseph)
795 Gutenberg downloadsen2015Difficulty 66 (Academic)Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power
Leeds, F. H. (Frank Henley) & Butterfield, W. J. Atkinson (William John Atkinson)
791 Gutenberg downloadsen2005Difficulty 84 (Specialist)Harper's Electricity Book for Boys
Adams, Joseph H. (Joseph Henry)
791 Gutenberg downloadsen2021Difficulty 59 (Graduate)The Telescope
Bell, Louis
788 Gutenberg downloadsen2016Difficulty 66 (Academic)Life of Richard Trevithick, with an Account of His Inventions. Volume 2 (of 2)
Trevithick, Francis
786 Gutenberg downloadsen2014Difficulty 69 (Academic)The First Quarter-Century of Steam Locomotives in North America Remaining Relics and Operable Replicas with a Catalog of Locomotive Models in the U. S. National Museum. United States National Museum Bulletin 210
Oliver, Smith Hempstone
782 Gutenberg downloadsen2016Difficulty 59 (Graduate)The Art of Bookbinding: A practical treatise, with plates and diagrams
Zaehnsdorf, Joseph William
777 Gutenberg downloadsen2016Difficulty 51 (Graduate)The Lathe & Its Uses Or, Instruction in the Art of Turning Wood and Metal. Including a Description of the Most Modern Appliances for the Ornamentation of Plane and Curved Surfaces. With an Appendix, in Which is Described an Entirely Novel Form of Lathe for Eccentric and Rose Engine Turning; a Lathe and Planing Machine Combined; and Other Valuable Matter Relating to the Art.
Lukin, James
772 Gutenberg downloadsen2019Difficulty 53 (Graduate)An Analysis of the Lever Escapement
Playtner, H. R.
771 Gutenberg downloadsen2007Difficulty 53 (Graduate)The Rare Earths: Their Occurrence, Chemistry, and Technology
Levy, Stanley Isaac
769 Gutenberg downloadsen2020Difficulty 63 (Academic)The Romance of Aircraft
Smith, Laurence Yard
769 Gutenberg downloadsen2012Difficulty 52 (Graduate)The Early History of the Airplane
Wright, Orville & Wright, Wilbur
758 Gutenberg downloadsen2008Difficulty 57 (Graduate)The Steam Engine Explained and Illustrated (Seventh Edition) With an Account of Its Invention and Progressive Improvement, and Its Application to Navigation and Railways; Including Also a Memoir of Watt
Lardner, Dionysius
758 Gutenberg downloadsen2013Difficulty 76 (Expert)The Art of Paper-Making A Practical Handbook of the Manufacture of Paper from Rags, Esparto, Straw, and Other Fibrous Materials, Including the Manufacture of Pulp from Wood Fibre
Watt, Alexander
757 Gutenberg downloadsen2017Difficulty 68 (Academic)Elevator Systems of the Eiffel Tower, 1889
Vogel, Robert M.
756 Gutenberg downloadsen2010Difficulty 63 (Academic)From Paper-mill to Pressroom
Wheelwright, William Bond
756 Gutenberg downloadsen2015Difficulty 60 (Graduate)Outspinning the Spider: The Story of Wire and Wire Rope
Mumford, John Kimberly
750 Gutenberg downloadsen2014Difficulty 55 (Graduate)Records of a Family of Engineers
Stevenson, Robert Louis
745 Gutenberg downloadsen1995Difficulty 54 (Graduate)The Gunner's Examiner
Cloke, Harold E. (Harold Edward)
745 Gutenberg downloadsen2015Difficulty 56 (Graduate)Great Facts A Popular History and Description of the Most Remarkable Inventions During the Present Century
Bakewell, Frederick C. (Frederick Collier)
743 Gutenberg downloadsen2014Difficulty 65 (Academic)Invention: The Master-key to Progress
Fiske, Bradley A. (Bradley Allen)
742 Gutenberg downloadsen2013Difficulty 67 (Academic)Mechanical Devices in the Home
Allen, Edith
742 Gutenberg downloadsen2014Difficulty 43 (College)A Course In Wood Turning
Milton, Archie Seldon & Wohlers, Otto K.
741 Gutenberg downloadsen2005Difficulty 47 (College)Every-day Science: Volume 6. The Conquest of Nature
Williams, Henry Smith & Williams, Edward Huntington
739 Gutenberg downloadsen2013Difficulty 53 (Graduate)Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, including modern practice with engine lathes, turret lathes, vertical and horizontal boring machines
Jones, Franklin Day
739 Gutenberg downloadsen2010Difficulty 62 (Academic)Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd edition)
Williams-Ellis, Clough
738 Gutenberg downloadsen2010Difficulty 53 (Graduate)Langley Memoir on Mechanical Flight, Parts I and II Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911
Langley, S. P. (Samuel Pierpont) & Manly, Charles M. (Charles Matthews)
738 Gutenberg downloadsen2015Difficulty 53 (Graduate)Great Inventions and Discoveries
Piercy, Willis Duff
736 Gutenberg downloadsen2011Difficulty 51 (Graduate)Handbook of Railroad Construction; For the use of American engineers. Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States.
Vose, George L. (George Leonard)
734 Gutenberg downloadsen2018Difficulty 40 (High School)Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
733 Gutenberg downloadsen2006Difficulty 54 (Graduate)Hawkins Electrical Guide v. 08 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
731 Gutenberg downloadsen2015Difficulty 65 (Academic)Ancient Egyptian and Greek Looms
Roth, H. Ling (Henry Ling)
730 Gutenberg downloadsen2008Difficulty 47 (College)Automobile Biographies An Account of the Lives and the Work of Those Who Have Been Identified with the Invention and Development of Self-Propelled Vehicles on the Common Roads
Weeks, Lyman Horace
729 Gutenberg downloadsen2013Difficulty 68 (Academic)Jacquard Weaving and Designing
Bell, T. F.
726 Gutenberg downloadsen2016Difficulty 50 (College)The Railway Conquest of the World
Talbot, Frederick Arthur Ambrose
723 Gutenberg downloadsen2021Difficulty 65 (Academic)The Wright Brothers
Kelly, Fred C. (Fred Charters)
722 Gutenberg downloadsen2022Difficulty 49 (College)Die Welt auf Schienen Eine Darstellung der Einrichtungen und des Betriebs auf den Eisenbahnen des Fernverkehrs, Nebst einer Geschichte der Eisenbahn
Fürst, Artur
719 Gutenberg downloadsde2016The Dominion of the Air: The Story of Aerial Navigation
Bacon, John M. (John Mackenzie)
719 Gutenberg downloadsen1997Difficulty 56 (Graduate)The Boy's Book of Industrial Information
Noyce, Elisha
717 Gutenberg downloadsen2015Difficulty 64 (Academic)Motion Picture Operation, Stage Electrics and Illusions A Practical Hand-book and Guide for Theater Electricians, Motion Picture Operators and Managers of Theaters and Productions
Horstmann, Henry Charles & Tousley, Victor H. (Victor Hugo)
714 Gutenberg downloadsen2014Difficulty 56 (Graduate)On the Economy of Machinery and Manufactures
Babbage, Charles
714 Gutenberg downloadsen2003Difficulty 68 (Academic)Leonardo da Vinci, Pathfinder of Science
Gillette, Henry S.
712 Gutenberg downloadsen2017Difficulty 51 (Graduate)The Modern Clock A Study of Time Keeping Mechanism; Its Construction, Regulation and Repair
Goodrich, Ward L.
712 Gutenberg downloadsen2020Difficulty 49 (College)Scientific American Supplement, No. 443, June 28, 1884
Various
711 Gutenberg downloadsen2005Difficulty 53 (Graduate)Philipp Reis: Inventor of the Telephone A Biographical Sketch
Thompson, Silvanus P. (Silvanus Phillips)
710 Gutenberg downloadsen2018Difficulty 59 (Graduate)Nautical Charts
Putnam, G. R. (George Rockwell)
709 Gutenberg downloadsen2013Difficulty 56 (Graduate)Workshop on Electronic Texts: Proceedings, 9-10 June 1992
Library of Congress
709 Gutenberg downloadsen1993Difficulty 73 (Expert)The Story of the Atlantic Telegraph
Field, Henry M. (Henry Martyn)
705 Gutenberg downloadsen2010Difficulty 50 (College)Measuring Tools
Unknown
704 Gutenberg downloadsen2013Difficulty 55 (Graduate)The British battle fleet, Vol. 2 (of 2) : $b its inception and growth throughout the centuries to the present day
Jane, Fred T. (Frederick Thomas)
704 Gutenberg downloadsen2025Difficulty 56 (Graduate)A manual of face brick construction
American Face Brick Association
703 Gutenberg downloadsen2022Difficulty 56 (Graduate)Inventors
Hubert, Philip Gengembre
701 Gutenberg downloadsen2012Difficulty 61 (Academic)The Railway Library, 1909 A Collection of Noteworthy Chapters, Addresses, and Papers Relating to Railways, Mostly Published During the Year
Unknown
698 Gutenberg downloadsen2015Difficulty 59 (Graduate)The Story of the Atlantic Cable
Bright, Charles, Sir
698 Gutenberg downloadsen2014Difficulty 61 (Academic)The Valuation of Public Service Corporation Property Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911, ASCE 1190
Riggs, Henry Earle
697 Gutenberg downloadsen2016Difficulty 70 (Academic)Hawkins Electrical Guide v. 01 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
695 Gutenberg downloadsen2011Difficulty 66 (Academic)Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 22, January, 1873
Various
690 Gutenberg downloadsen2004Difficulty 54 (Graduate)Scientific American Supplement, No. 365, December 30, 1882
Various
690 Gutenberg downloadsen2006Difficulty 57 (Graduate)The 1893 Duryea Automobile In the Museum of History and Technology
Berkebile, Donald H.
690 Gutenberg downloadsen2009Difficulty 56 (Graduate)The Dawn of Amateur Radio in the U.K. and Greece: A Personal View
Joly, Norman F.
688 Gutenberg downloadsen1993Difficulty 59 (Graduate)The watchmakers' hand book : $b intended as a workshop companion for those engaged in watchmaking and allied mechanical arts
Saunier, Claudius
681 Gutenberg downloadsen2025Difficulty 65 (Academic)Industrial Arts Design A Textbook of Practical Methods for Students, Teachers, and Craftsmen
Varnum, William H. (William Harrison)
678 Gutenberg downloadsen2013Difficulty 62 (Academic)Lightning Conductors: Their History, Nature, and Mode of Application
Anderson, Richard, F.C.S.
677 Gutenberg downloadsen2017Difficulty 58 (Graduate)Torpedoes and Torpedo Warfare Containing a Complete and Concise Account of the Rise and Progress of Submarine Warfare
Sleeman, Charles William
677 Gutenberg downloadsen2014Difficulty 64 (Academic)Watch and Clock Escapements A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology
Anonymous
677 Gutenberg downloadsen2005Difficulty 49 (College)An Unsinkable Titanic: Every Ship its own Lifeboat
Walker, John Bernard
676 Gutenberg downloadsen2014Difficulty 65 (Academic)Nitro-Explosives: A Practical Treatise
Sanford, P. Gerald (Percy Gerald)
675 Gutenberg downloadsen2005Difficulty 61 (Academic)Mariner Mission to Venus
Jet Propulsion Laboratory (U.S.)
674 Gutenberg downloadsen2017Difficulty 64 (Academic)The Birth and Babyhood of the Telephone
Watson, Thomas Augustus
674 Gutenberg downloadsen2017Difficulty 53 (Graduate)Triumphs of Invention and Discovery in Art and Science
Fyfe, J. Hamilton (James Hamilton)
673 Gutenberg downloadsen2011Difficulty 57 (Graduate)Forge work
Ilgen, William L. (William Lewis)
672 Gutenberg downloadsen2016Difficulty 42 (College)Slipstream: the autobiography of an air craftsman
Wilson, Eugene E.
671 Gutenberg downloadsen2023Difficulty 62 (Academic)Inventions of the Great War
Bond, A. Russell (Alexander Russell)
669 Gutenberg downloadsen2014Difficulty 60 (Graduate)Motors
Zerbe, James Slough
669 Gutenberg downloadsen2013Difficulty 47 (College)A Select Collection of Valuable and Curious Arts and Interesting Experiments, Which are Well Explained and Warranted Genuine and may be Performed Easily, Safely, and at Little Expense.
Unknown
668 Gutenberg downloadsen2011Difficulty 46 (College)Lightning Rod Conference Report of the Delegates from the Following Societies, Viz.: Meteorological Society, Royal Institute of British Architects, Society of Telegraph Engineers and of Electricians, Physical Society. With a Code of Rules for the Erection of Lightning Conductors; and Various Appendices
Unknown
668 Gutenberg downloadsen2018Difficulty 62 (Academic)Minimum Gauge Railways
Heywood, Arthur Percival, Sir, bart.
665 Gutenberg downloadsen2013Difficulty 54 (Graduate)Hawkins Electrical Guide v. 04 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
662 Gutenberg downloadsen2015Difficulty 75 (Expert)Scientific American Supplement, No. 598, June 18, 1887
Various
660 Gutenberg downloadsen2004Difficulty 50 (College)American Inventions and Inventors
Mowry, William A. (William Augustus) & Mowry, Arthur May
658 Gutenberg downloadsen2014Difficulty 43 (College)Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
658 Gutenberg downloadsen2012Difficulty 60 (Graduate)Harper's New Monthly Magazine, Volume 2, No. 12, May, 1851.
Various
657 Gutenberg downloadsen2010Difficulty 55 (Graduate)Hawkins Electrical Guide v. 07 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
650 Gutenberg downloadsen2015Difficulty 67 (Academic)Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine
Anderson, Frederick Irving
649 Gutenberg downloadsen2008Difficulty 56 (Graduate)Hawkins Electrical Guide v. 03 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
649 Gutenberg downloadsen2015Difficulty 68 (Academic)Microscopes and Accessory Apparatus: Catalogue No. 40
Leitz, Ernst
648 Gutenberg downloadsen2011Difficulty 61 (Academic)Printing Telegraphy... A New Era Begins
Kleinschmidt, Edward E.
648 Gutenberg downloadsen2016Difficulty 66 (Academic)The Bridge-Builders
Kipling, Rudyard
648 Gutenberg downloadsen2006Difficulty 43 (College)The Popular Science Monthly, September, 1900 Vol. 57, May, 1900 to October, 1900
Various
648 Gutenberg downloadsen2014Difficulty 77 (Expert)Lighthouses and Lightships A Descriptive and Historical Account of Their Mode of Construction and Organization
Adams, W. H. Davenport (William Henry Davenport)
647 Gutenberg downloadsen2018Difficulty 56 (Graduate)Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
Various
647 Gutenberg downloadsen2013Difficulty 54 (Graduate)The Municipal and Sanitary Engineer's Handbook
Boulnois, H. Percy (Henry Percy)
643 Gutenberg downloadsen2017Difficulty 74 (Expert)Hitchhiker's Guide to the Internet
Krol, Ed
641 Gutenberg downloadsen1992Difficulty 53 (Graduate)Little Masterpieces of Science: Invention and Discovery
Unknown
639 Gutenberg downloadsen2009Difficulty 60 (Graduate)Maxims and Instructions for the Boiler Room Useful to Engineers, Firemen & Mechanics; Relating to Steam Generators, Pumps, Appliances, Steam Heating, Practical Plumbing, etc.
Hawkins, N. (Nehemiah)
639 Gutenberg downloadsen2016Difficulty 60 (Graduate)Airplane Photography
Ives, Herbert Eugene
636 Gutenberg downloadsen2016Difficulty 58 (Graduate)Mechanics of the Household A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances
Keene, E. S. (Edward Spencer)
636 Gutenberg downloadsen2016Difficulty 65 (Academic)Story of the automobile: Its history and development from 1760 to 1917 With an analysis of the standing and prospects of the automobile industry
Barber, H. L. (Herbert Lee)
635 Gutenberg downloadsen2021Difficulty 67 (Academic)Modern Cotton Spinning Machinery, Its Principles and Construction
Nasmith, Joseph
633 Gutenberg downloadsen2018Difficulty 53 (Graduate)The Story of the Pullman Car
Husband, Joseph
633 Gutenberg downloadsen2014Difficulty 61 (Academic)How It Flies; or, The Conquest of the Air The Story of Man's Endeavors to Fly and of the Inventions by Which He Has Succeeded
Ferris, Richard
632 Gutenberg downloadsen2017Difficulty 51 (Graduate)On Naval Timber and Arboriculture With Critical Notes on Authors who have Recently Treated the Subject of Planting
Matthew, Patrick
632 Gutenberg downloadsen2016Difficulty 56 (Graduate)The automobile owner's guide
Scholl, Frank B.
632 Gutenberg downloadsen2022Difficulty 63 (Academic)The jute industry : $b from seed to finished cloth
Woodhouse, Thomas & Kilgour, Peter
632 Gutenberg downloadsen2004Difficulty 56 (Graduate)Scientific American Supplement, No. 460, October 25, 1884
Various
630 Gutenberg downloadsen2004Difficulty 52 (Graduate)Genius rewarded : $b The story of the sewing machine
Scott, John
629 Gutenberg downloadsen2025Difficulty 54 (Graduate)Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
628 Gutenberg downloadsen2005Difficulty 59 (Graduate)El Proyecto Gutenberg (1971-2009)
Lebert, Marie
627 Gutenberg downloadses2010Pumps and Hydraulics, Part 1 (of 2)
Hawkins, N. (Nehemiah)
627 Gutenberg downloadsen2018Difficulty 50 (College)Theory of Silk Weaving A Treatise on the Construction and Application of Weaves, and the Decomposition and Calculation of Broad and Narrow, Plain, Novelty and Jacquard Silk Fabrics
Wolfensberger, Arnold
627 Gutenberg downloadsen2005Difficulty 48 (College)Smeaton and Lighthouses A Popular Biography, with an Historical Introduction and Sequel
Anonymous
623 Gutenberg downloadsen2010Difficulty 68 (Academic)The Library of Work and Play: Working in Metals
Sleffel, Charles Conrad
623 Gutenberg downloadsen2014Difficulty 33 (High School)The Practical Values of Space Exploration Report of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-Sixth Congress, Second Session
United States. Congress. House. Committee on Science and Astronautics.
621 Gutenberg downloadsen2006Difficulty 56 (Graduate)My Airships; The Story of My Life
Santos-Dumont, Alberto
620 Gutenberg downloadsen2013Difficulty 43 (College)Automobiles
Zerbe, James Slough
619 Gutenberg downloadsen2024Difficulty 52 (Graduate)H. G. Hawker, airman: his life and work
Hawker, Muriel
619 Gutenberg downloadsen2021Difficulty 67 (Academic)Leather: From the Raw Material to the Finished Product
Adcock, K. J.
619 Gutenberg downloadsen2013Difficulty 59 (Graduate)The Silversmith's Handbook Containing full instructions for the alloying and working of silver
Gee, George E. (George Edward)
619 Gutenberg downloadsen2014Difficulty 59 (Graduate)The Story of the Airship (Non-rigid) A Study of One of America's Lesser Known Defense Weapons
Allen, Hugh
619 Gutenberg downloadsen2016Difficulty 61 (Academic)The archæology of Rome, Part 8 : $b The aqueducts
Parker, John Henry
613 Gutenberg downloadsen2024Difficulty 53 (Graduate)The Romance of the Reaper
Casson, Herbert Newton
612 Gutenberg downloadsen2010Difficulty 48 (College)Photographic Reproduction Processes
Duchochois, P. C. (Peter C.)
610 Gutenberg downloadsen2007Difficulty 65 (Academic)The Atlantic Telegraph (1865)
Russell, William Howard, Sir
610 Gutenberg downloadsen2012Difficulty 62 (Academic)Screw-Thread Cutting by the Master-Screw Method since 1480
Battison, Edwin A.
609 Gutenberg downloadsen2010Difficulty 59 (Graduate)Aeroplane Construction and Operation
Rathbun, John B.
608 Gutenberg downloadsen2020Difficulty 57 (Graduate)Getting Gold: A Practical Treatise for Prospectors, Miners and Students
Johnson, J. C. F. (Joseph Colin Francis)
608 Gutenberg downloadsen2006Difficulty 60 (Graduate)Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
607 Gutenberg downloadsen2012Difficulty 53 (Graduate)British Manufacturing Industries: Pottery, Glass and Silicates, Furniture and Woodwork.
Arnoux, Léon & Barff, Frederick Settle & Pollen, John Hungerford
606 Gutenberg downloadsen2012Difficulty 68 (Academic)Stories of Invention, Told by Inventors and their Friends
Hale, Edward Everett
606 Gutenberg downloadsen2012Difficulty 44 (College)Type: A Primer of Information About the Mechanical Features of Printing Types Their Sizes, Font Schemes, &c. with a Brief Description of Their Manufacture
Stewart, A. A. (Alexander A.)
604 Gutenberg downloadsen2011Difficulty 58 (Graduate)Cotton Weaving and Designing 6th Edition
Taylor, John T.
602 Gutenberg downloadsen2018Difficulty 53 (Graduate)The Tank Corps
Williams-Ellis, Clough & Williams-Ellis, Amabel
602 Gutenberg downloadsen2020Difficulty 60 (Graduate)Tunneling: A Practical Treatise.
Prelini, Charles
602 Gutenberg downloadsen2019Difficulty 54 (Graduate)Records of Steam Boiler Explosions
Marten, Edward Bindon
601 Gutenberg downloadsen2014Difficulty 61 (Academic)Chats on Old Clocks
Hayden, Arthur
600 Gutenberg downloadsen2014Difficulty 57 (Graduate)On Laboratory Arts
Threlfall, Richard
600 Gutenberg downloadsen2007Difficulty 54 (Graduate)An Account of the Bell Rock Light-House Including the Details of the Erection and Peculiar Structure of That Edifice; to Which Is Prefixed a Historical View of the Institution and Progress of the Northern Light-Houses
Stevenson, Robert
598 Gutenberg downloadsen2015Difficulty 46 (College)Rudimentary Treatise on the Construction of Locks
Hobbs, A. C. & Dodd, George
598 Gutenberg downloadsen2020Difficulty 59 (Graduate)The Blacksmith in Eighteenth-Century Williamsburg An Account of His Life & Times and of His Craft
Gill, Harold B.
596 Gutenberg downloadsen2018Difficulty 61 (Academic)Hawkins Electrical Guide v. 06 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
595 Gutenberg downloadsen2015Difficulty 73 (Expert)Scientific American Supplement, No. 388, June 9, 1883
Various
594 Gutenberg downloadsen2005Difficulty 56 (Graduate)Shipbuilding from its beginnings. Vol. 1 (of 3)
Konijnenburg, E. van (Emile)
593 Gutenberg downloadsen2024Difficulty 55 (Graduate)Opening Ceremonies of the New York and Brooklyn Bridge, May 24, 1883
Kingsley, William C. & Edson, Franklin & Low, Seth
592 Gutenberg downloadsen2009Difficulty 54 (Graduate)A-B-C of Electricity
Meadowcroft, Wm. H. (William Henry)
591 Gutenberg downloadsen2014Difficulty 51 (Graduate)Sewerage and Sewage Treatment
Babbitt, Harold E. (Harold Eaton)
591 Gutenberg downloadsen2020Difficulty 58 (Graduate)The Auburndale Watch Company : $b first American attempt toward the dollar watch
Battison, Edwin A.
591 Gutenberg downloadsen2009Difficulty 51 (Graduate)Scientific American Architects and Builders Edition, No. 26, Dec., 1887
Various
590 Gutenberg downloadsen2016Difficulty 53 (Graduate)The filtration of public water-supplies Third edition, revised and enlarged.
Hazen, Allen
590 Gutenberg downloadsen2022Difficulty 66 (Academic)John Deere's Steel Plow
Kendall, Edward C.
589 Gutenberg downloadsen2010Difficulty 51 (Graduate)Stories of Inventors: The Adventures of Inventors and Engineers
Doubleday, Russell
589 Gutenberg downloadsen2004Difficulty 64 (Academic)The Art of Making Whiskey So As to Obtain a Better, Purer, Cheaper and Greater Quantity of Spirit, From a Given Quantity of Grain. Also, the Art of Converting It into Gin, after the Process of the Holland Distillers
Boucherie, Anthony
589 Gutenberg downloadsen2007Difficulty 54 (Graduate)Hackers, Heroes of the Computer Revolution. Chapters 1 and 2
Levy, Steven
586 Gutenberg downloadsen1996Difficulty 59 (Graduate)Scientific American Supplement, No. 586, March 26, 1887
Various
586 Gutenberg downloadsen2004Difficulty 51 (Graduate)The A B C of Mining: A Handbook for Prospectors
Bramble, Charles A.
586 Gutenberg downloadsen2014Difficulty 54 (Graduate)The Classification of Patents
United States. Patent Office
583 Gutenberg downloadsen2007Difficulty 65 (Academic)The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
Various
581 Gutenberg downloadsen2014Difficulty 75 (Expert)The Boot and Shoe Manufacturers' Assistant and Guide. Containing a Brief History of the Trade. History of India-rubber and Gutta-percha, and Their Application to the Manufacture of Boots and Shoes. Full Instructions in the Art, With Diagrams and Scales, Etc., Etc. Vulcanization and Sulphurization, English and American Patents. With an Elaborate Treatise on Tanning.
Unknown
580 Gutenberg downloadsen2019Difficulty 62 (Academic)Moving Pictures: How They Are Made and Worked
Talbot, Frederick Arthur Ambrose
579 Gutenberg downloadsen2022Difficulty 64 (Academic)Scientific American Supplement, No. 458, October 11, 1884
Various
579 Gutenberg downloadsen2004Difficulty 58 (Graduate)Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines
Mathot, Rodolphe Edgard
578 Gutenberg downloadsen2011Difficulty 62 (Academic)British Airships, Past, Present, and Future
Whale, George
576 Gutenberg downloadsen1996Difficulty 56 (Graduate)Experimental Mechanics A Course of Lectures Delivered at the Royal College of Science for Ireland
Ball, Robert S. (Robert Stawell)
576 Gutenberg downloadsen2020Difficulty 48 (College)Letters of a Radio-Engineer to His Son
Mills, John
576 Gutenberg downloadsen2009Difficulty 47 (College)Soldering, Brazing and Welding
Unknown
573 Gutenberg downloadsen2016Difficulty 51 (Graduate)Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to April, 1900
Various
572 Gutenberg downloadsen2014Difficulty 58 (Graduate)Scientific American Supplement, No. 647, May 26, 1888
Various
572 Gutenberg downloadsen2008Difficulty 58 (Graduate)The Panama Canal and Its Makers
Cornish, Vaughan
572 Gutenberg downloadsen2011Difficulty 61 (Academic)Modern shipbuilding and the men engaged in it
Pollock, David
571 Gutenberg downloadsen2024Difficulty 68 (Academic)Scaffolding : $b a treatise on the design & erection of scaffolds, gantries, and stagings, with an account of the appliances used in connection therewith for the use of contractors, builders, clerks of works, etc., with a chapter on the legal aspect of the question
Thatcher, A. G. H.
570 Gutenberg downloadsen2023Difficulty 50 (College)À terre & en l'air... Mémoires du Géant
Nadar, Félix
570 Gutenberg downloadsfr2009Boys' second book of inventions
Baker, Ray Stannard
569 Gutenberg downloadsen2013Difficulty 57 (Graduate)Collotype and Photo-lithography
Schnauss, Julius
569 Gutenberg downloadsen2015Difficulty 63 (Academic)Scientific American Supplement, No. 623, December 10, 1887
Various
569 Gutenberg downloadsen2005Difficulty 60 (Graduate)Scientific American Supplement, No. 481, March 21, 1885
Various
567 Gutenberg downloadsen2004Difficulty 55 (Graduate)Practical Methods of Sewage Disposal for Residences, Hotels and Institutions
Ogden, Henry N. (Henry Neely) & Cleveland, H. Burdett (Henry Burdett)
564 Gutenberg downloadsen2017Difficulty 62 (Academic)The Boys' Book of Submarines
Collins, A. Frederick (Archie Frederick) & Collins, Virgil D. (Virgil Dewey)
564 Gutenberg downloadsen2015Difficulty 49 (College)Wireless Telegraphy and Telephony Simply Explained A Practical Treatise Embracing Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and Its Present Day Applications, Together With a Chapter on the Possibilities of Its Future Development
Morgan, Alfred Powell
564 Gutenberg downloadsen2021Difficulty 57 (Graduate)Pressure, Resistance, and Stability of Earth American Society of Civil Engineers: Transactions, Paper No. 1174, Volume LXX, December 1910
Meem, J. C.
563 Gutenberg downloadsen2005Difficulty 52 (Graduate)Protection from fire and thieves : $b Including the construction of locks, safes, strong-rooms, and fireproof buildings; burglary, and the means of preventing it; fire, its detection, prevention, and extinction; etc.
Chubb, George Hayter
562 Gutenberg downloadsen2015Difficulty 62 (Academic)Scientific American Supplement, No. 810, July 11, 1891
Various
562 Gutenberg downloadsen2005Difficulty 51 (Graduate)Masters of Space Morse and the Telegraph; Thompson and the Cable; Bell and the Telephone; Marconi and the Wireless Telegraph; Carty and the Wireless Telephone
Towers, Walter Kellogg
561 Gutenberg downloadsen2004Difficulty 55 (Graduate)Scientific American Supplement, No. 288, July 9, 1881
Various
561 Gutenberg downloadsen2005Difficulty 58 (Graduate)The Science of Brickmaking
Harris, George Frederick
560 Gutenberg downloadsen2019Difficulty 58 (Graduate)The Steam Engine Familiarly Explained and Illustrated With an historical sketch of its invention and progressive improvement; its applications to navigation and railways; with plain axioms for railway speculators
Lardner, Dionysius
560 Gutenberg downloadsen2017Difficulty 55 (Graduate)Instruction for Using a Slide Rule
Stanley, W.
557 Gutenberg downloadsen2006Difficulty 38 (High School)Every-day Science: Volume 7. The Conquest of Time and Space
Williams, Henry Smith & Williams, Edward Huntington
553 Gutenberg downloadsen2013Difficulty 57 (Graduate)The calculating engine
Babbage, Charles
553 Gutenberg downloadsen2023Difficulty 71 (Expert)The eBook is 40 (1971-2011)
Lebert, Marie
553 Gutenberg downloadsen2011Difficulty 63 (Academic)Hawkins Electrical Guide v. 02 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
552 Gutenberg downloadsen2015Difficulty 60 (Graduate)Non-technical chats on iron and steel, and their application to modern industry
Spring, La Verne W. (La Verne Ward)
551 Gutenberg downloadsen2024Difficulty 58 (Graduate)Photogravure
Blaney, Henry R.
551 Gutenberg downloadsen2011Difficulty 50 (College)History of electric light
Schroeder, Henry
549 Gutenberg downloadsen2022Difficulty 70 (Academic)The Story of the Submarine
Bishop, Farnham
549 Gutenberg downloadsen2015Difficulty 56 (Graduate)Laboratory Manual of Glass-Blowing
Frary, Francis C. (Francis Cowles)
548 Gutenberg downloadsen2009Difficulty 55 (Graduate)Time and Time-Tellers
Benson, James W., active 1857-1887
543 Gutenberg downloadsen2014Difficulty 60 (Graduate)Scientific American Supplement, No. 446, July 19, 1884
Various
542 Gutenberg downloadsen2004Difficulty 55 (Graduate)The Evolution of Modern Band Saw Mills for Sawing Logs
Prescott, D. Clint
540 Gutenberg downloadsen2017Difficulty 52 (Graduate)Theory and Practice of Piano Construction With a Detailed, Practical Method for Tuning
White, William Braid
539 Gutenberg downloadsen2018Difficulty 67 (Academic)Scientific American Supplement, No. 561, October 2, 1886
Various
538 Gutenberg downloadsen2005Difficulty 50 (College)Lectures on popular and scientific subjects
Caithness, James Sinclair, 14th earl of
537 Gutenberg downloadsen2005Difficulty 53 (Graduate)Pumps and Hydraulics, Part 2 (of 2)
Hawkins, N. (Nehemiah)
536 Gutenberg downloadsen2018Difficulty 56 (Graduate)Building and Flying an Aeroplane A practical handbook covering the design, construction, and operation of aeroplanes and gliders
Hayward, Charles B. (Charles Brian)
534 Gutenberg downloadsen2020Difficulty 51 (Graduate)Paint Technology and Tests
Gardner, Henry A. (Henry Alfred)
534 Gutenberg downloadsen2011Difficulty 57 (Graduate)Signalling across space without wires being a description of the work of Hertz & his successors
Lodge, Oliver, Sir
534 Gutenberg downloadsen2022Difficulty 60 (Graduate)The American Electro Magnetic Telegraph With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism
Vail, Alfred
534 Gutenberg downloadsen2020Difficulty 61 (Academic)Concrete Construction for the Home and the Farm
Atlas Portland Cement Company
533 Gutenberg downloadsen2020Difficulty 53 (Graduate)Glass Manufacture
Rosenhain, Walter
533 Gutenberg downloadsen2016Difficulty 82 (Specialist)Scientific American Supplement, No. 595, May 28, 1887
Various
532 Gutenberg downloadsen2004Difficulty 52 (Graduate)Scientific American Supplement, No. 643, April 28, 1888
Various
532 Gutenberg downloadsen2005Difficulty 65 (Academic)The Aeroplane Speaks
Barber, H. (Horatio)
532 Gutenberg downloadsen1997Difficulty 48 (College)The Century of Inventions of the Marquis of Worcester from the Original MS., with Historical and Explanatory Notes and a Biographical Memoir
Worcester, Edward Somerset, Marquis of
531 Gutenberg downloadsen2015Difficulty 68 (Academic)LRL Accelerators, The 184-Inch Synchrocyclotron
Lawrence Radiation Laboratory
530 Gutenberg downloadsen2010Difficulty 58 (Graduate)The Story of American Aviation
Ray, Jim
530 Gutenberg downloadsen2018Difficulty 52 (Graduate)How to build a house : $b an architectural novelette
Viollet-le-Duc, Eugène-Emmanuel
529 Gutenberg downloadsen2023Difficulty 44 (College)The Curtiss Aviation Book
Curtiss, Glenn Hammond & Post, Augustus
529 Gutenberg downloadsen2021Difficulty 54 (Graduate)Catechism of the locomotive
Forney, Matthias N. (Matthias Nace) & Kosak, Georg
528 Gutenberg downloadsen2025Difficulty 51 (Graduate)The Story of Electricity
Munro, John
528 Gutenberg downloadsen2003Difficulty 57 (Graduate)ABC of the steel square and its uses
Hodgson, Fred T. (Frederick Thomas)
527 Gutenberg downloadsen2015Difficulty 49 (College)Attack of Fortified Places. Including Siege-works, Mining, and Demolitions. Prepared for the use of the Cadets of the United States Military Academy
Mercur, James
527 Gutenberg downloadsen2019Difficulty 52 (Graduate)Scientific American Supplement, No. 415, December 15, 1883
Various
527 Gutenberg downloadsen2004Difficulty 57 (Graduate)Steam, Steel and Electricity
Steele, James W.
527 Gutenberg downloadsen2005Difficulty 50 (College)The Scholfield Wool-Carding Machines
Cooper, Grace Rogers
527 Gutenberg downloadsen2008Difficulty 55 (Graduate)Invention and Discovery: Curious Facts and Characteristic Sketches
Anonymous
526 Gutenberg downloadsen2014Difficulty 60 (Graduate)Pyrotechnics: The History and Art of Firework Making
Brock, Alan St. H. (Alan St. Hill)
525 Gutenberg downloadsen2021Difficulty 62 (Academic)Scientific American Supplement, No. 363, December 16, 1882
Various
524 Gutenberg downloadsen2005Difficulty 62 (Academic)NREN for All: Insurmountable Opportunity
Polly, Jean Armour
523 Gutenberg downloadsen1993Difficulty 64 (Academic)Hardware, estimating, and mill design
Unknown
522 Gutenberg downloadsen2024Difficulty 56 (Graduate)Scientific American Supplement, No. 520, December 19, 1885
Various
522 Gutenberg downloadsen2004Difficulty 56 (Graduate)Scientific American Supplement, No. 530, February 27, 1886
Various
522 Gutenberg downloadsen2004Difficulty 58 (Graduate)A Manual of Shoemaking and Leather and Rubber Products
Dooley, William H. (William Henry)
518 Gutenberg downloadsen2017Difficulty 50 (College)Die Brüder Wright Eine Studie ueber die Entwicklung der Flugmaschine von Lilienthal bis Wright
Hildebrandt, A. (Alfred)
518 Gutenberg downloadsde2004La Navigation Aérienne L'aviation Et La Direction Des Aérostats Dans Les Temps Anciens Et Modernes
Tissandier, Gaston
518 Gutenberg downloadsfr2009Manuel complet des fabricans de chapeaux en tous genres
Julia de Fontenelle (Jean-Sébastien-Eugène)
518 Gutenberg downloadsfr2006Scientific American Supplement, No. 717, September 28, 1889
Various
518 Gutenberg downloadsen2006Difficulty 53 (Graduate)The Train Wire: A Discussion of the Science of Train Dispatching (Second Edition)
Anderson, John Alexander
518 Gutenberg downloadsen2016Difficulty 64 (Academic)A Treatise on Hat-Making and Felting Including a Full Exposition of the Singular Properties of Fur, Wool, and Hair
Thomson, John, hatter
517 Gutenberg downloadsen2014Difficulty 66 (Academic)Chambers's Edinburgh Journal, No. 455 Volume 18, New Series, September 18, 1852
Various
517 Gutenberg downloadsen2007Difficulty 63 (Academic)Hemp Hurds as Paper-Making Material
Dewey, Lyster H. (Lyster Hoxie) & Merrill, Jason L.
516 Gutenberg downloadsen2006Difficulty 59 (Graduate)The Miner's Friend; Or, An Engine to Raise Water by Fire
Savery, Thomas
516 Gutenberg downloadsen2014Difficulty 66 (Academic)On-Line Data-Acquisition Systems in Nuclear Physics, 1969
National Research Council (U.S.). Ad Hoc Panel on On-line Computers in Nuclear Research
515 Gutenberg downloadsen2013Difficulty 64 (Academic)Coal, and What We Get from It
Meldola, Raphael
513 Gutenberg downloadsen2010Difficulty 57 (Graduate)Motor Truck Logging Methods Engineering Experiment Station Series, Bulletin No. 12
Knapp, Frederick Malcolm
513 Gutenberg downloadsen2011Difficulty 53 (Graduate)The beginnings of cheap steel
Bishop, Philip W.
513 Gutenberg downloadsen2009Difficulty 63 (Academic)The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co. Also, Facts and General Information Relating to Pneumatic Despatch Tubes
Batcheller, Birney C. (Birney Clark)
513 Gutenberg downloadsen2020Difficulty 58 (Graduate)Modern Copper Smelting being lectures delivered at Birmingham University, greatly extended and adapted and with and introduction on the history, uses and properties of copper.
Levy, Donald M.
512 Gutenberg downloadsen2019Difficulty 61 (Academic)Scientific American Supplement, No. 492, June 6, 1885
Various
512 Gutenberg downloadsen2004Difficulty 53 (Graduate)A Historical Account of Useful Inventions and Scientific Discoveries Being a manual of instruction and entertainment.
Grant, George
511 Gutenberg downloadsen2016Difficulty 62 (Academic)Opportunities in Engineering
Horton, Charles M. (Charles Marcus)
511 Gutenberg downloadsen2008Difficulty 56 (Graduate)Scientific American Supplement, No. 488, May 9, 1885
Various
511 Gutenberg downloadsen2008Difficulty 50 (College)Elektrotechnisches Experimentierbuch: Eine Anleitung zur Ausführung elektrotechnischer Experimente unter Verwendung einfachster, meist selbst herzustellender Hilfsmittel
Schnetzler, Eberhard
510 Gutenberg downloadsde2022Asbestos, Its production and use With some account of the asbestos mines of Canada
Jones, Robert H.
509 Gutenberg downloadsen2011Difficulty 64 (Academic)How to Install Electric Bells, Annunciators, and Alarms. Including Batteries, Wires and Wiring, Circuits, Pushes, Bells, Burglar Alarms, High and Low Water Alarms, Fire Alarms, Thermostats, Annunciators, and the Location and Remedying of Troubles
Schneider, Norman H. (Norman Hugh)
509 Gutenberg downloadsen2018Difficulty 53 (Graduate)Scientific American Supplement, No. 795, March 28, 1891
Various
509 Gutenberg downloadsen2004Difficulty 62 (Academic)Scientific American Supplement, No. 821, September 26, 1891
Various
509 Gutenberg downloadsen2004Difficulty 55 (Graduate)Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad, The North River Division. Paper No. 1151
Jacobs, Charles M. (Charles Mattathias)
509 Gutenberg downloadsen2006Difficulty 66 (Academic)The Industrial Canal and Inner Harbor of New Orleans History, Description and Economic Aspects of Giant Facility Created to Encourage Industrial Expansion and Develop Commerce
Dabney, Thomas Ewing
507 Gutenberg downloadsen2010Difficulty 57 (Graduate)Ford Manual for Owners and Operators of Ford Cars and Trucks (1919)
Ford Motor Company
504 Gutenberg downloadsen2014Difficulty 49 (College)Scientific American Supplement, No. 483, April 4, 1885
Various
504 Gutenberg downloadsen2004Difficulty 55 (Graduate)Hawkins Electrical Guide v. 05 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
503 Gutenberg downloadsen2015Difficulty 71 (Expert)Les Merveilles de la Locomotion
Deharme, E. (Ernest)
503 Gutenberg downloadsfr2013Marvels of Scientific Invention An Interesting Account in Non-Technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-Date Smelting, Freezing, Colour Photography, and Many Other Recent Discoveries of Science
Corbin, Thomas W.
503 Gutenberg downloadsen2011Difficulty 51 (Graduate)Scamping Tricks and Odd Knowledge Occasionally Practised upon Public Works
Newman, John
503 Gutenberg downloadsen2011Difficulty 45 (College)Una historia del eBook
Lebert, Marie
503 Gutenberg downloadses2009The Mysteryes of Nature and Art Conteined in foure severall Tretises, The first of water workes, The second of Fyer workes, The third of Drawing, Colouring, Painting, and Engraving, The fourth of divers Experiments, as wel serviceable as delightful: partly Collected, and partly of the Authors Peculiar Practice, and Invention
Bate, John
502 Gutenberg downloadsen2015Difficulty 58 (Graduate)The Use of Ropes and Tackle
Dana, Homer J. (Homer Jackson) & Pearl, W. A. (William Armour)
502 Gutenberg downloadsen2018Difficulty 44 (College)Careers in Atomic Energy
McIlhenny, Loyce J.
501 Gutenberg downloadsen2013Difficulty 68 (Academic)Synthetic resins and their raw materials A survey of the types and uses of synthetic resins, the organization of the industry, and the trade in resins and raw materials, with particular references to factors essential to tariff consideration. Under the general provisions of section 332, title III, part II, Tariff act of 1930.
United States Tariff Commission
501 Gutenberg downloadsen2022Difficulty 68 (Academic)Ancient and modern engineering and the Isthmian canal
Burr, William H. (William Hubert)
500 Gutenberg downloadsen2025Difficulty 50 (College)Essays on the Microscope Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc.
Adams, George
500 Gutenberg downloadsen2020Difficulty 62 (Academic)L'A. B. C. de l'aviation: Biplans et monoplans
Gastine, Louis
499 Gutenberg downloadsfr2010Photo-engraving, Photo-etching and Photo-lithography in Line and Half-tone Also Collotype and Heliotype
Wilkinson, W. T.
499 Gutenberg downloadsen2016Difficulty 53 (Graduate)Scenic Mount Lowe and Its Wonderful Railway
James, George Wharton
499 Gutenberg downloadsen2013Difficulty 62 (Academic)Hertzian Wave Wireless Telegraphy
Fleming, J. A. (John Ambrose), Sir
498 Gutenberg downloadsen2012Difficulty 67 (Academic)Le Dictionnaire du NEF
Lebert, Marie
498 Gutenberg downloadsfr2008Scientific American Supplement, No. 392, July 7, 1883
Various
496 Gutenberg downloadsen2005Difficulty 63 (Academic)A New Century of Inventions Being Designs & Descriptions of One Hundred Machines, Relating to Arts, Manufactures, & Domestic Life
White, James (Civil engineer)
495 Gutenberg downloadsen2013Difficulty 57 (Graduate)Flying Machines Today
Ennis, William D. (William Duane)
495 Gutenberg downloadsen2016Difficulty 61 (Academic)Scientific American Supplement, No. 832, December 12, 1891
Various
495 Gutenberg downloadsen2005Difficulty 53 (Graduate)The Introduction of Self-Registering Meteorological Instruments
Multhauf, Robert P.
495 Gutenberg downloadsen2010Difficulty 68 (Academic)Description of the Process of Manufacturing Coal Gas, for the Lighting of Streets Houses, and Public Buildings With Elevations, Sections, and Plans of the Most Improved Sorts of Apparatus Now Employed at the Gas Works in London and the Principal Provincial Towns of Great Britain; Accompanied With Comparative Estimates, Exhibiting the Most Economical Mode of Procuring This Species of Light
Accum, Friedrich Christian
494 Gutenberg downloadsen2020Difficulty 70 (Academic)The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action
Dolbear, A. E. (Amos Emerson)
494 Gutenberg downloadsen2010Difficulty 60 (Graduate)Scientific American Supplement, No. 385, May 19, 1883
Various
493 Gutenberg downloadsen2005Difficulty 58 (Graduate)Friction, Lubrication and the Lubricants in Horology
Lewis, W. T. (William T.)
492 Gutenberg downloadsen2011Difficulty 55 (Graduate)Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960
Digital Equipment Corporation
492 Gutenberg downloadsen2009Difficulty 58 (Graduate)Scientific American Supplement, No. 514, November 7, 1885
Various
492 Gutenberg downloadsen2004Difficulty 54 (Graduate)Scientific American Supplement, No. 787, January 31, 1891
Various
492 Gutenberg downloadsen2004Difficulty 53 (Graduate)Omnibuses and cabs : $b their origin and history
Moore, Henry Charles
491 Gutenberg downloadsen2024Difficulty 68 (Academic)Scientific American Supplement, No. 1082, September 26, 1896
Various
491 Gutenberg downloadsen2008Difficulty 55 (Graduate)The Puering, Bating & Drenching of Skins
Wood, Joseph Turney
491 Gutenberg downloadsen2018Difficulty 53 (Graduate)Scientific American Supplement, No. 470, January 3, 1885
Various
490 Gutenberg downloadsen2004Difficulty 52 (Graduate)Conservation Through Engineering Extract from the Annual Report of the Secretary of the Interior
Lane, Franklin K.
488 Gutenberg downloadsen2010Difficulty 54 (Graduate)Life of Robert Stevenson, Civil Engineer
Stevenson, David
488 Gutenberg downloadsen2017Difficulty 64 (Academic)Scientific American Supplement, No. 799, April 25, 1891
Various
487 Gutenberg downloadsen2004Difficulty 50 (College)Scott Greenwood and Co. Catalogue of Special Technical Works, 1903 For Manufacturers, Students, and Technical Schools, by Expert Writers
Scott, Greenwood & Co.
487 Gutenberg downloadsen2013Difficulty 86 (Specialist)Self-Help Mechanical Drawing: An Educational Treatise
Hawkins, N. (Nehemiah)
486 Gutenberg downloadsen2022Difficulty 59 (Graduate)British Canals: Is their resuscitation practicable?
Pratt, Edwin A.
485 Gutenberg downloadsen2014Difficulty 68 (Academic)Petroleum
Lidgett, Albert
485 Gutenberg downloadsen2016Difficulty 66 (Academic)Pyrotechny : $b or, The art of making fireworks, at little cost, and with complete safety and cleanliness.
Practicus
484 Gutenberg downloadsen2025Difficulty 83 (Specialist)Scientific American Supplement, No. 275, April 9, 1881
Various
484 Gutenberg downloadsen2005Difficulty 57 (Graduate)Scientific American Supplement, No. 447, July 26, 1884
Various
484 Gutenberg downloadsen2005Difficulty 53 (Graduate)Obed Hussey, Who, of All Inventors, Made Bread Cheap
Unknown
483 Gutenberg downloadsen2006Difficulty 54 (Graduate)Scientific American Supplement, No. 299, September 24, 1881
Various
483 Gutenberg downloadsen2005Difficulty 60 (Graduate)The Invention of the Track Circuit The history of Dr. William Robinson's invention of the track circuit, the fundamental unit which made possible our present automatic block signaling and interlocking systems
American Railway Association
482 Gutenberg downloadsen2014Difficulty 60 (Graduate)The Useful Arts Employed in the Construction of Dwelling Houses. Second Edition
Anonymous
482 Gutenberg downloadsen2022Difficulty 65 (Academic)Handbuch der chemischen Technologie Achte Auflage
Wagner, Johannes Rudolf
481 Gutenberg downloadsde2018The colored inventor : $b a record of fifty years
Baker, Henry E. (Henry Edwin)
481 Gutenberg downloadsen2007Difficulty 69 (Academic)Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Bergen Hill Tunnels. Paper No. 1154
Lavis, F.
481 Gutenberg downloadsen2007Difficulty 45 (College)Scientific American Supplement, No. 324, March 18, 1882
Various
480 Gutenberg downloadsen2005Difficulty 53 (Graduate)Scientific American Supplement, No. 433, April 19, 1884
Various
480 Gutenberg downloadsen2005Difficulty 66 (Academic)An ice cream laboratory guide
Fisk, W. W. (Walter Warner) & Ellenberger, H. B. (Howard Bowman)
478 Gutenberg downloadsen2025Difficulty 49 (College)Hosiery manufacture
Davis, William, M.A.
478 Gutenberg downloadsen2016Difficulty 64 (Academic)The modern packing house : $b A complete treatise on the design, construction, equipment and operation of meat packing houses, according to present American praactice, including methods of converting by-products into commercial articles
Wilder, F. W. (Fred William)
478 Gutenberg downloadsen2024Difficulty 70 (Academic)The Radio Amateur's Hand Book A Complete, Authentic and Informative Work on Wireless Telegraphy and Telephony
Collins, A. Frederick (Archie Frederick)
478 Gutenberg downloadsen2004Difficulty 63 (Academic)Account of the Skerryvore lighthouse : $b with notes on the illumination of lighthouses
Stevenson, Alan
477 Gutenberg downloadsen2025Difficulty 67 (Academic)Scientific American Supplement, No. 286, June 25, 1881
Various
477 Gutenberg downloadsen2005Difficulty 53 (Graduate)The Theory and Practice of Model Aeroplaning
Johnson, V. E. (Valentine Edward)
477 Gutenberg downloadsen2012Difficulty 51 (Graduate)Shipbuilding from its beginnings. Vol. 2 (of 3)
Konijnenburg, E. van (Emile)
476 Gutenberg downloadsen2024Difficulty 57 (Graduate)Pistol marksmanship
United States. Marine Corps
475 Gutenberg downloadsen2025Difficulty 63 (Academic)The Voice of the Machines An Introduction to the Twentieth Century
Lee, Gerald Stanley
475 Gutenberg downloadsen2007Difficulty 43 (College)Seattle Car & Foundry Company, Catalogue No. 3, December, 1913
Seattle Car and Foundry Company
474 Gutenberg downloadsen2015Difficulty 53 (Graduate)The Telephone in America: Bell Telephone System
Anonymous
474 Gutenberg downloadsen2020Difficulty 64 (Academic)Practical forging and art smithing
Googerty, Thomas F. (Thomas Francis)
473 Gutenberg downloadsen2022Difficulty 40 (High School)Scientific American Supplement No. 819, September 12, 1891
Various
473 Gutenberg downloadsen2005Difficulty 59 (Graduate)The proposed union of the telegraph and postal systems Statement of the Western Union Telegraph Company
Western Union Telegraph Company
473 Gutenberg downloadsen2020Difficulty 74 (Expert)The true history of the ghost : $b and all about metempsychosis
Pepper, John Henry
473 Gutenberg downloadsen2024Difficulty 64 (Academic)The Borghesi Astronomical Clock in the Museum of History and Technology Contributions from the Museum of History and Technology, Paper 35
Bedini, Silvio A.
472 Gutenberg downloadsen2010Difficulty 68 (Academic)A Treatise on Staff Making and Pivoting Containing Complete Directions for Making and Fitting New Staffs from the Raw Material
Hall, Eugene Edward
471 Gutenberg downloadsen2007Difficulty 53 (Graduate)Emil Rathenau und das elektrische Zeitalter
Pinner, Felix
471 Gutenberg downloadsde2017The art of glass-blowing : $b or Plain instructions for making the chemical and philosophical instruments which are formed of glass
Danger, T.-P.
471 Gutenberg downloadsen2017Difficulty 63 (Academic)Scientific American Supplement, No. 362, December 9, 1882
Various
470 Gutenberg downloadsen2005Difficulty 57 (Graduate)Scientific American, Volume 17, No. 26 December 28, 1867 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
470 Gutenberg downloadsen2005Difficulty 58 (Graduate)The Aswân Obelisk With some remarks on the Ancient Engineering
Engelbach, Reginald
470 Gutenberg downloadsen2019Difficulty 46 (College)IBM 1401 Programming Systems
Anonymous
469 Gutenberg downloadsen2008Difficulty 71 (Expert)La maniere d'amolir les os, et de faire cuire toutes sortes de viandes en fort peu de temps, & à peu de frais.
Papin, Denis
469 Gutenberg downloadsfr2016Scientific American Supplement, No. 508, September 26, 1885
Various
469 Gutenberg downloadsen2005Difficulty 49 (College)Chimneys & Fireplaces They Contribute to the Health Comfort and Happiness of the Farm Family - How to Build Them
Daniels, Ara Marcus
468 Gutenberg downloadsen2015Difficulty 51 (Graduate)The Romance of War Inventions A Description of Warships, Guns, Tanks, Rifles, Bombs, and Other Instruments and Munitions of Warfare, How They Were Invented & How They Are Employed
Corbin, Thomas W.
468 Gutenberg downloadsen2010Difficulty 52 (Graduate)The Traveling Engineers' Association to Improve the Locomotive Engine Service of American Railroads Examination Questions and Answers for Firemen for Promotion and New Men for Employment
Traveling Engineers' Association
468 Gutenberg downloadsen2006Difficulty 49 (College)A Text-book of Paper-making
Cross, C. F. (Charles Frederick) & Bevan, E. J. (Edward John)
467 Gutenberg downloadsen2018Difficulty 64 (Academic)Instructions on Modern American Bridge Building
Tower, G. B. N. (George Bates Nichols)
466 Gutenberg downloadsen2005Difficulty 49 (College)Scientific American Supplement, No. 497, July 11, 1885
Various
466 Gutenberg downloadsen2006Difficulty 49 (College)Scientific American Supplement, No. 484, April 11, 1885
Various
465 Gutenberg downloadsen2004Difficulty 55 (Graduate)Scientific American Supplement, No. 829, November 21, 1891
Various
465 Gutenberg downloadsen2005Difficulty 63 (Academic)Scientific American, September 29, 1883 Supplement. No. 404
Various
465 Gutenberg downloadsen2014Difficulty 56 (Graduate)The BYU Solar Cooker/Cooler
Jones, Steven E.
465 Gutenberg downloadsen2004Difficulty 42 (College)Electricity in Locomotion An Account of Its Mechanism, Its Achievements, and Its Prospects
Whyte, Adam Gowens
464 Gutenberg downloadsen2016Difficulty 62 (Academic)A Project for Flying: In Earnest at Last!
Hardley, Robert
462 Gutenberg downloadsen2004Difficulty 66 (Academic)Hand-Craft: The Most Reliable Basis of Technical Education in Schools and Classes
Sutcliffe, John D.
462 Gutenberg downloadsen2011Difficulty 53 (Graduate)Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
462 Gutenberg downloadsen2012Difficulty 57 (Graduate)Scientific American Supplement, No. 312, December 24, 1881
Various
461 Gutenberg downloadsen2006Difficulty 54 (Graduate)Scientific American Supplement, No. 303, October 22, 1881
Various
460 Gutenberg downloadsen2005Difficulty 52 (Graduate)Old-Time Nautical Instruments
Robinson, John
459 Gutenberg downloadsen2013Difficulty 57 (Graduate)Satellite Communications Physics
Unknown
459 Gutenberg downloadsen2020Difficulty 65 (Academic)Scientific American Supplement, No. 531, March 6, 1886
Various
459 Gutenberg downloadsen2004Difficulty 51 (Graduate)Some Mooted Questions in Reinforced Concrete Design American Society of Civil Engineers, Transactions, Paper No. 1169, Volume LXX, Dec. 1910
Godfrey, Edward
459 Gutenberg downloadsen2005Difficulty 54 (Graduate)An Illustrated Directory of the Specifications of All Domestic and Foreign Motor-cars and Motor Business Wagons, Gasoline, Steam and Electric, Sold in This Country, 1907
Motor, the automotive business magazine
458 Gutenberg downloadsen2021Difficulty 72 (Expert)Photo-Lithography
Fritz, Georg
458 Gutenberg downloadsen2017Difficulty 55 (Graduate)Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah
Powell, John Wesley & Drummond, Willis & Dutton, Clarence E. (Clarence Edward) & Gilbert, Grove Karl & Thompson, A. H. (Almon Harris)
458 Gutenberg downloadsen2023Difficulty 67 (Academic)The Anatomy of Bridgework
Thorpe, William Henry
458 Gutenberg downloadsen2013Difficulty 71 (Expert)El ebook tiene 40 años (1971-2011)
Lebert, Marie
457 Gutenberg downloadses2011Le Téléphone, le Microphone et le Phonographe
Du Moncel, Th., comte
457 Gutenberg downloadsfr2008The Future of Road-making in America
Hulbert, Archer Butler
457 Gutenberg downloadsen2010Difficulty 58 (Graduate)The Face of the Earth as Seen from the Air A Study in the Application of Airplane Photography to Geography
Lee, Willis T. (Willis Thomas)
456 Gutenberg downloadsen2020Difficulty 59 (Graduate)Del libro impreso al libro digital
Lebert, Marie
455 Gutenberg downloadses2010Essex Terraplane Six 1933 Owner's Manual of Information
Hudson Motor Car Company
455 Gutenberg downloadsen2011Difficulty 51 (Graduate)Scientific American Supplement, No. 711, August 17, 1889
Various
455 Gutenberg downloadsen2005Difficulty 61 (Academic)Report on the Department of Ports and Harbours for the Year 1890-91
Australia. Queensland. Department of Ports and Harbours
454 Gutenberg downloadsen2008Difficulty 56 (Graduate)The Rocket: The Story of the Stephensons, Father and Son
Knight, Helen C. (Helen Cross)
453 Gutenberg downloadsen2015Difficulty 42 (College)Balloons, Airships, and Flying Machines
Bacon, Gertrude
452 Gutenberg downloadsen2017Difficulty 54 (Graduate)Model aeroplanes The building of model monoplanes, biplanes, etc., together with a chapter on building a model airship
Camm, F. J. (Frederick James)
452 Gutenberg downloadsen2022Difficulty 50 (College)Rough and Tumble Engineering
Maggard, James H.
452 Gutenberg downloadsen2004Difficulty 42 (College)The Engineering Contributions of Wendel Bollman
Vogel, Robert M.
452 Gutenberg downloadsen2010Difficulty 62 (Academic)How to Make Electrical Machines Containing Full Directions for Making Electrical Machines, Induction Coils, Dynamos, and Many Novel Toys to Be Worked by Electricity
Bennett, R. A. R. (Reginald Arthur Renaud)
451 Gutenberg downloadsen2013Difficulty 50 (College)Scientific American Supplement, No. 455, September 20, 1884
Various
451 Gutenberg downloadsen2004Difficulty 57 (Graduate)Scientific American Supplement, No. 664, September 22,1888
Various
451 Gutenberg downloadsen2008Difficulty 58 (Graduate)The hand-book of artillery
Roberts, Joseph
451 Gutenberg downloadsen2023Difficulty 45 (College)Une histoire de l'eBook
Lebert, Marie
451 Gutenberg downloadsfr2009Cork: Its Origin and Industrial Uses
Stecher, Gilbert Erwin
449 Gutenberg downloadsen2012Difficulty 60 (Graduate)Lead Smelting and Refining, With Some Notes on Lead Mining
Unknown
449 Gutenberg downloadsen2020Difficulty 54 (Graduate)Scientific American Supplement, No. 384, May 12, 1883
Various
449 Gutenberg downloadsen2005Difficulty 46 (College)Scientific American Supplement, No. 803, May 23, 1891
Various
449 Gutenberg downloadsen2004Difficulty 52 (Graduate)Gas Burners Old and New A historical and descriptive treatise on the progress of invention in gas lighting, embracing an account of the theory of luminous combustion
Merriman, Owen
448 Gutenberg downloadsen2011Difficulty 65 (Academic)Scientific American Supplement, No. 360, November 25, 1882
Various
447 Gutenberg downloadsen2005Difficulty 55 (Graduate)Sewage Disposal Works: Their Design and Construction
Easdale, William Charles
447 Gutenberg downloadsen2018Difficulty 64 (Academic)The platinum metals
Lumb, Arthur Douglas
447 Gutenberg downloadsen2020Difficulty 59 (Graduate)The Secret Guide to Computers
Walter, Russ
447 Gutenberg downloadsen1996Difficulty 47 (College)The Solution of the Pyramid Problem; or, Pyramid Discoveries With a New Theory as to their Ancient Use
Ballard, Robert
447 Gutenberg downloadsen2012Difficulty 51 (Graduate)From Xylographs to Lead Molds; A.D. 1440-A.D. 1921
Forster, H. C.
446 Gutenberg downloadsen2010Difficulty 59 (Graduate)Irrigation works : $b the principles on which their design and working should be based, with special details relating to Indian canals and some proposed improvements
Bellasis, E. S. (Edward Skelton)
446 Gutenberg downloadsen2017Difficulty 51 (Graduate)The Atlantic Monthly, Volume 02, No. 13, November, 1858 A Magazine of Literature, Art, and Politics
Various
446 Gutenberg downloadsen2004Difficulty 63 (Academic)Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding together with related methods and materials used in metal working and the oxygen process for removal of carbon
Manly, Harold P. (Harold Phillips)
444 Gutenberg downloadsen2005Difficulty 56 (Graduate)Scientific American Supplement, No. 613, October 1, 1887
Various
444 Gutenberg downloadsen2005Difficulty 63 (Academic)Scientific American Supplement, No. 344, August 5, 1882
Various
443 Gutenberg downloadsen2005Difficulty 54 (Graduate)The Draughtsman's Handbook of Plan and Map Drawing Including instructions for the preparation of engineering, architectural, and mechanical drawings.
André, George G. (George Guillaume)
443 Gutenberg downloadsen2018Difficulty 50 (College)The slide rule : $b a practical manual
Pickworth, Charles N. (Charles Newton)
443 Gutenberg downloadsen2025Difficulty 55 (Graduate)History of the Water Supply of the World arranged in a comprehensive form from eminent authorities, containing a description of the various methods of water supply, pollution and purification of waters, and sanitary effects, with analyses of potable waters, also geology and water strata of Hamilton county, Ohio, statistics of the Ohio river, proposed water supply of Cincinnati.
Bell, Thomas J. (Thomas Jefferson)
442 Gutenberg downloadsen2021Difficulty 55 (Graduate)Type and Presses in America A Brief Historical Sketch of the Development of Type Casting and Press Building in the United States
Hamilton, Frederick W. (Frederick William)
442 Gutenberg downloadsen2022Difficulty 56 (Graduate)A Story of the Telegraph
Murray, John
441 Gutenberg downloadsen2016Difficulty 66 (Academic)Is a Ship Canal Practicable? Notes, Historical and Statistical, Upon the Projected Routes for an Interoceanic Ship Canal Between the Atlantic and Pacific Oceans, in Which is Included a Short Account of the Character and Influence of the Canal of Suez, and the Probable Effects Upon the Commerce of the World of the Two Canals, Regarded Either as Rivals, or as Parts of One System of Interoceanic Navigation
Abert, S. T. (Silvanus Thayer)
441 Gutenberg downloadsen2020Difficulty 60 (Graduate)Central-Station Electric Lighting With Notes on the Methods Used for the Distribution of Electricity
Hedges, Killingworth
440 Gutenberg downloadsen2020Difficulty 62 (Academic)La Vettura Automobile: sue parti - suo funzionamento
De Maria, Alamanno
439 Gutenberg downloadsit2013Scientific American Supplement, No. 620, November 19,1887
Various
439 Gutenberg downloadsen2005Difficulty 57 (Graduate)The Earliest Electromagnetic Instruments
Chipman, Robert A.
439 Gutenberg downloadsen2010Difficulty 76 (Expert)The Gasoline Motor
Slauson, Harold Whiting
439 Gutenberg downloadsen2014Difficulty 58 (Graduate)Practical Hand Book of Gas, Oil and Steam Engines Stationary, Marine, Traction; Gas Burners, Oil Burners, Etc.; Farm, Traction, Automobile, Locomotive; A simple, practical and comprehensive book on the construction, operation and repair of all kinds of engines. Dealing with the various parts in detail and the various types of engines and also the use of different kinds of fuel.
Rathbun, John B.
438 Gutenberg downloadsen2018Difficulty 71 (Expert)Scientific American Supplement, No. 611, September 17, 1887
Various
438 Gutenberg downloadsen2005Difficulty 50 (College)The development of armor-piercing shells (with suggestions for their improvement)
De Zafra, Carlos
438 Gutenberg downloadsen2010Difficulty 59 (Graduate)Aeroplanes
Zerbe, James Slough
437 Gutenberg downloadsen1998Difficulty 46 (College)Rules and Practice for Adjusting Watches
Kleinlein, Walter J. (Walter John)
437 Gutenberg downloadsen2011Difficulty 56 (Graduate)A General Plan for a Mail Communication by Steam, Between Great Britain and the Eastern and Western Parts of the World
MacQueen, James
436 Gutenberg downloadsen2007Difficulty 64 (Academic)Economy of the Round Dairy Barn
Fraser, Wilber J. (Wilber John)
436 Gutenberg downloadsen2011Difficulty 52 (Graduate)Shipbuilding from its beginnings. Vol. 3 (of 3)
Konijnenburg, E. van (Emile)
436 Gutenberg downloadsen2024Difficulty 60 (Graduate)Rubber Hand Stamps and the Manipulation of Rubber A practical treatise on the manufacture of India rubber hand stamps, small articles of India rubber, the hektograph, special inks, cements, and allied subjects
Sloane, T. O'Conor (Thomas O'Conor)
435 Gutenberg downloadsen2021Difficulty 55 (Graduate)Tractor Principles The Action, Mechanism, Handling, Care, Maintenance and Repair of the Gas Engine Tractor
Whitman, Roger B. (Roger Bradbury)
435 Gutenberg downloadsen2022Difficulty 60 (Graduate)How To Build A 20-Foot Bi-Plane Glider
Morgan, Alfred Powell
434 Gutenberg downloadsen2020Difficulty 47 (College)Origin of modern calculating machines
Turck, J. A. V.
434 Gutenberg downloadsen2022Difficulty 63 (Academic)Radio Shack TRS-80 Expansion Interface: Operator's Manual Catalog Numbers: 26-1140, 26-1141, 26-1142
Anonymous
434 Gutenberg downloadsen2008Difficulty 59 (Graduate)The Art of Inventing
Prindle, Edwin J. (Edwin Jay)
434 Gutenberg downloadsen2014Difficulty 58 (Graduate)Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919
Martin, Marcus J.
434 Gutenberg downloadsen2010Difficulty 64 (Academic)De l'imprimé à Internet
Lebert, Marie
433 Gutenberg downloadsfr2008Electric Gas Lighting: How to Install Electric Gas Ignition Apparatus
Norrie, H. S.
433 Gutenberg downloadsen2013Difficulty 54 (Graduate)Metal Spinning
Tuells, C. & Painter, William A.
433 Gutenberg downloadsen2015Difficulty 50 (College)Manufacturing Cost Data on Artificial Ice
Luhr, Otto & Friedl, Herman
432 Gutenberg downloadsen2009Difficulty 46 (College)Astronomical Instruments and Accessories
William Gaertner and Company
431 Gutenberg downloadsen2008Difficulty 51 (Graduate)Painting by Immersion and by Compressed Air: A Practical Handbook
Jennings, Arthur Seymour
430 Gutenberg downloadsen2018Difficulty 55 (Graduate)Moxon's mechanick exercises, volume 1 (of 2) : $b The doctrine of handy-works applied to the art of printing
Moxon, Joseph
428 Gutenberg downloadsen2023Difficulty 61 (Academic)The Wright Brothers
Anonymous
428 Gutenberg downloadsen2021Difficulty 51 (Graduate)How to become an engineer : $b containing full instructions how to proceed in order to become a locomotive engineer : also directions for building a model locomotive; together with a full description of everything an engineer should know
Doughty, Frank W.
427 Gutenberg downloadsen2014Difficulty 43 (College)Scientific American Supplement, No. 467, December 13, 1884
Various
427 Gutenberg downloadsen2014Difficulty 51 (Graduate)Scientific American Supplement, No. 648, June 2, 1888.
Various
427 Gutenberg downloadsen2011Difficulty 54 (Graduate)Fulton's "Steam Battery": Blockship and Catamaran
Chapelle, Howard Irving
426 Gutenberg downloadsen2010Difficulty 57 (Graduate)Practical Organ Building
Dickson, W. E. (William Edward)
426 Gutenberg downloadsen2020Difficulty 57 (Graduate)Scientific American Supplement, No. 417, December 29, 1883
Various
426 Gutenberg downloadsen2005Difficulty 65 (Academic)Artificial and Natural Flight
Maxim, Hiram S. (Hiram Stevens)
425 Gutenberg downloadsen2014Difficulty 53 (Graduate)Cycling art, energy, and locomotion : $b A series of remarks on the development of bicycles, tricycles, and man-motor carriages
Scott, Robert P. (Robert Pittis)
425 Gutenberg downloadsen2024Difficulty 66 (Academic)Het Haarlemmer-Meer-Boek
Leeghwater, Jan Adriaansz & Hasselt, Willem Jan Cornelis van
425 Gutenberg downloadsnl2009Illustrations of the Croton Aqueduct
Tower, F. B. (Fayette Bartholomew)
425 Gutenberg downloadsen2021Difficulty 61 (Academic)Optical Projection. Part 1: The Projection of Lantern Slides
Wright, Lewis & Wright, Russell Stuart
425 Gutenberg downloadsen2010Difficulty 58 (Graduate)The telephone, the microphone & the phonograph
Du Moncel, Th., comte
425 Gutenberg downloadsen2025Difficulty 66 (Academic)Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171
Wilson, Herbert M. (Herbert Michael)
425 Gutenberg downloadsen2006Difficulty 61 (Academic)Introduction of the Locomotive Safety Truck Contributions from the Museum of History and Technology: Paper 24
White, John H.
424 Gutenberg downloadsen2008Difficulty 54 (Graduate)Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. Paper No. 1150
Raymond, Charles W.
424 Gutenberg downloadsen2006Difficulty 65 (Academic)Der Vogelflug als Grundlage der Fliegekunst Ein Beitrag zur Systematik der Flugtechnik
Lilienthal, Otto
423 Gutenberg downloadsde2017Home-made Electrical Apparatus
Morgan, Alfred Powell
423 Gutenberg downloadsen2020Difficulty 46 (College)The 'Pioneer': Light Passenger Locomotive of 1851 United States Bulletin 240, Contributions from the Museum of History and Technology, paper 42, 1964
White, John H.
423 Gutenberg downloadsen2009Difficulty 56 (Graduate)Types of canoes on Puget Sound
Waterman, T. T. (Thomas Talbot) & Coffin, Geraldine
423 Gutenberg downloadsen2015Difficulty 48 (College)Paper-Cutting Machines A Primer of Information about Paper and Card Trimmers, Hand-Lever Cutters, Power Cutters and Other Automatic Machines for Cutting Paper
Gray, Niel, Jr.
422 Gutenberg downloadsen2010Difficulty 54 (Graduate)Steam Shovels and Steam Shovel Work
Hermann, Edward Adolph
422 Gutenberg downloadsen2014Difficulty 51 (Graduate)The Petrol Engine A Text-book dealing with the Principles of Design and Construction, with a Special Chapter on the Two-stroke Engine
Kean, Francis John
422 Gutenberg downloadsen2017Difficulty 55 (Graduate)Report of the Hoosac Tunnel and Troy and Greenfield Railroad, by the Joint Standing Committee of 1866.
Wentworth, Tappan
421 Gutenberg downloadsen2012Difficulty 53 (Graduate)Scientific American Supplement, No. 601, July 9, 1887
Various
421 Gutenberg downloadsen2004Difficulty 53 (Graduate)The Methods of Glass Blowing and of Working Silica in the Oxy-Gas Flame For the use of chemical and physical students
Shenstone, W. A. (William Ashwell)
421 Gutenberg downloadsen2010Difficulty 57 (Graduate)The Passaic Flood of 1903
Leighton, Marshall Ora
421 Gutenberg downloadsen2006Difficulty 41 (College)Scientific American Supplement, No. 315, January 14, 1882
Various
420 Gutenberg downloadsen2006Difficulty 63 (Academic)Scientific American Supplement, No. 794, March 21, 1891
Various
420 Gutenberg downloadsen2005Difficulty 52 (Graduate)The Tunnel Under the Channel
Whiteside, Thomas
420 Gutenberg downloadsen2021Difficulty 69 (Academic)Descriptive Pamphlet of the Richmond Mill Furnishing Works All sizes of mill stones and complete grinding and bolting combined husk or portable flouring mills, portable corn and feed mills; smut and separating machines; zigzag and oat separators, dustless separators, warehouse separators, water wheels; mill shafting; pulleys; spur and bevel, iron and core, gearing....
Richmond Mill Furnishing Works
419 Gutenberg downloadsen2016Difficulty 53 (Graduate)Die Luftschiffahrt der Gegenwart
Hoernes, Hermann
419 Gutenberg downloadsde2013Oxy-acetylene welding manual
Campbell, Lorn
419 Gutenberg downloadsen2024Difficulty 56 (Graduate)Putnam's Automobile Handbook: The Care and Management of the Modern Motor-Car
Brokaw, H. Clifford (Harry Clifford) & Starr, Charles A. (Charles Ackerman)
419 Gutenberg downloadsen2021Difficulty 51 (Graduate)The story of rope : $b The history and the modern development of rope-making
Plymouth Cordage Company
419 Gutenberg downloadsen2023Difficulty 61 (Academic)Die Technik der Lastenförderung einst und jetzt Eine Studie über die Entwicklung der Hebemaschinen und ihren Einfluß auf Wirtschaftsleben und Kulturgeschichte
Kammerer, Otto
418 Gutenberg downloadsde2018Engineering reminiscences contributed to "Power" and "American machinist"
Porter, Charles T. (Charles Talbot)
418 Gutenberg downloadsen2023Difficulty 47 (College)Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time
Cunynghame, Henry H. (Henry Hardinge), Sir
418 Gutenberg downloadsen2017Difficulty 48 (College)Home-made Toy Motors A practical handbook giving detailed instructions for building simple but operative electric motors
Morgan, Alfred Powell
417 Gutenberg downloadsen2020Difficulty 46 (College)Inventors & Inventions
Robinson, Henry
417 Gutenberg downloadsen2014Difficulty 65 (Academic)Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Division. Paper No. 1152
Noble, Alfred
417 Gutenberg downloadsen2006Difficulty 58 (Graduate)Locomotive Engine Running and Management
Sinclair, Angus
416 Gutenberg downloadsen2020Difficulty 57 (Graduate)Radio Boys Cronies; Or, Bill Brown's Radio
Whipple, Wayne & Aaron, S. F. (Samuel Francis)
414 Gutenberg downloadsen2004Difficulty 44 (College)Scientific American Supplement No. 822, October 3, 1891
Various
414 Gutenberg downloadsen2005Difficulty 55 (Graduate)Cotton Manufacturing
Brooks, Christopher Parkinson
413 Gutenberg downloadsen2018Difficulty 67 (Academic)History of the Transformer
Uppenborn, Friedrich
413 Gutenberg downloadsen2018Difficulty 59 (Graduate)Scientific American Supplement, No. 421, January 26, 1884
Various
413 Gutenberg downloadsen2005Difficulty 56 (Graduate)The Details of the Rocket System
Congreve, William, Sir
413 Gutenberg downloadsen2018Difficulty 67 (Academic)The Pioneer Steamship Savannah: A Study for a Scale Model United States National Museum Bulletin 228, 1961, pages 61-80
Chapelle, Howard Irving
413 Gutenberg downloadsen2008Difficulty 56 (Graduate)Handbuch der praktischen Kinematographie Die verschiedenen Konstruktions-Formen des Kinematographen, die Darstellung der lebenden Lichtbilder sowie das ...
Liesegang, Franz Paul
411 Gutenberg downloadsde2012Transactions of the American Society of Civil Engineers, Vol. LXX, December, 1910
American Society of Civil Engineers
411 Gutenberg downloadsen2014Difficulty 51 (Graduate)Vacuum cleaning systems : $b A treatise on the principles and practice of mechanical cleaning
Cooley, M. S. (Maxwell Stephens)
411 Gutenberg downloadsen2023Difficulty 59 (Graduate)Gas and Petroleum Engines
Graffigny, H. de (Henry)
410 Gutenberg downloadsen2019Difficulty 57 (Graduate)Marvels of Modern Science
Severing, Paul
410 Gutenberg downloadsen2004Difficulty 51 (Graduate)A Manual of the Hand Lathe Comprising Concise Directions for Working Metals of All Kinds, Ivory, Bone and Precious Woods
Watson, Egbert P. (Egbert Pomeroy)
409 Gutenberg downloadsen2015Difficulty 47 (College)Linotype Manual Giving Detailed Instructions of the Proper Adjustment and Care of the Linotype
Various
409 Gutenberg downloadsen2015Difficulty 44 (College)Stair-building and the steel square : $b A manual of practical instruction in the art of stair-building and hand-railing, and the manifold uses of the steel square
Hodgson, Fred T. (Frederick Thomas) & Williams, Morris
409 Gutenberg downloadsen2020Difficulty 49 (College)A practical treatise on coach-building historical and descriptive : $b Containing full information of the various trades and processes involved, with hints on the proper keeping of carriages, &c.
Burgess, James W.
408 Gutenberg downloadsen2023Difficulty 55 (Graduate)On the Development and Distribution of Primitive Locks and Keys
Pitt-Rivers, Augustus Henry Lane-Fox
407 Gutenberg downloadsen2013Difficulty 52 (Graduate)River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them.
Bellasis, E. S. (Edward Skelton)
407 Gutenberg downloadsen2018Difficulty 51 (Graduate)The Gyroscopic Compass: A Non-Mathematical Treatment
Chalmers, T. W. (Thomas Wightman)
407 Gutenberg downloadsen2018Difficulty 56 (Graduate)The kaleidoscope : $b its history, theory and construction. With its application to the fine and useful arts
Brewster, David
407 Gutenberg downloadsen2024Difficulty 62 (Academic)Type Cases and Composing-room Furniture A Primer of Information About Type Cases, Work Stands, Cabinets, Case Racks, Galley Racks, Standing Galleys, &c.
Stewart, A. A. (Alexander A.)
407 Gutenberg downloadsen2010Difficulty 57 (Graduate)Die Anfänge der Naturbeherrschung. 1. Frühformen der Mechanik
Weule, Karl
406 Gutenberg downloadsde2017Rat Proofing Buildings and Premises
Silver, James & Betts, M. C. (Morris Cotgrave) & Crouch, W. E. (Winney Elmer)
406 Gutenberg downloadsen2020Difficulty 59 (Graduate)Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
406 Gutenberg downloadsen2009Difficulty 52 (Graduate)Histoire des nombres et de la numération mécanique
Jacomy-Régnier
405 Gutenberg downloadsfr2009History of the Confederate Powder Works
Rains, George Washington
405 Gutenberg downloadsen2008Difficulty 68 (Academic)Precision locating and dividing methods
Anonymous
405 Gutenberg downloadsen2022Difficulty 51 (Graduate)The Art of Lead Burning A practical treatise explaining the apparatus and processes.
Fay, C. H.
404 Gutenberg downloadsen2016Difficulty 48 (College)Young Engineer's Guide
Rohan, J. V.
404 Gutenberg downloadsen2021Difficulty 49 (College)Learning to fly in the U.S. Army : $b a manual of aviation practice
Fales, E. N. (Elisha Noel)
403 Gutenberg downloadsen2024Difficulty 58 (Graduate)The romance of the Canadian Pacific Railway
MacBeth, R. G. (Roderick George)
402 Gutenberg downloadsen2022Difficulty 61 (Academic)Carpentry
Griffith, Ira Samuel
401 Gutenberg downloadsen2023Difficulty 46 (College)Scientific American Supplement, No. 401, September 8, 1883
Various
401 Gutenberg downloadsen2005Difficulty 55 (Graduate)New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. with Directions for Silvering, Adjusting, &c.
Calver, George
400 Gutenberg downloadsen2016Difficulty 56 (Graduate)Scientific American Supplement, No. 441, June 14, 1884.
Various
400 Gutenberg downloadsen2005Difficulty 56 (Graduate)The Alumni Journal of the College of Pharmacy of the City of New York, Vol. II, No. 2, February, 1895
Various
400 Gutenberg downloadsen2016Difficulty 48 (College)The Steam Fire Engine and the Old-time Fire Bell
Anonymous
399 Gutenberg downloadsen2021Difficulty 55 (Graduate)On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
Draper, Henry
398 Gutenberg downloadsen2016Difficulty 61 (Academic)Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The Cross-Town Tunnels. Paper No. 1158
Brace, James H. & Mason, Francis
398 Gutenberg downloadsen2006Difficulty 48 (College)Farming with Dynamite: A Few Hints to Farmers
E.I. du Pont de Nemours & Company
397 Gutenberg downloadsen2012Difficulty 49 (College)Famous Days in the Century of Invention
Stone, Gertrude L. (Gertrude Lincoln) & Fickett, M. Grace (Mary Grace)
396 Gutenberg downloadsen2014Difficulty 38 (High School)Short-Title Catalog of Publications and Importations of Scientific and Engineering Books (August 1910)
D. Van Nostrand Company
396 Gutenberg downloadsen2017Difficulty 43 (College)The American Type of Isthmian Canal Speech by Hon. John Fairfield Dryden in the Senate of the United States, June 14, 1906
Dryden, John F. (John Fairfield)
395 Gutenberg downloadsen2008Difficulty 67 (Academic)The Sperry Gyro-Compass
Sperry Gyroscope Company
395 Gutenberg downloadsen2016Difficulty 55 (Graduate)Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Site of the Terminal Station. Paper No. 1157
Clarke, George C.
395 Gutenberg downloadsen2006Difficulty 52 (Graduate)Nouveau moyen de préparer la couche sensible des plaques destinées à recevoir les images photographiques Lettre à M. Arago
Daguerre, Louis Jacques Mandé
394 Gutenberg downloadsfr2005O odkryciach i wynalazkach Odczyt popularny wypowiedziany dnia 23 marca 1873 r.
Prus, Bolesław
394 Gutenberg downloadspl2009Rock Blasting A Practical Treatise on the Means Employed in Blasting Rocks for Industrial Purposes
André, George G. (George Guillaume)
394 Gutenberg downloadsen2017Difficulty 50 (College)The stereoscope : $b its history, theory, and construction, with its application to the fine and useful arts and to education
Brewster, David
394 Gutenberg downloadsen2023Difficulty 59 (Graduate)Henry Ford: Highlights of His Life
Henry Ford Museum and Greenfield Village
393 Gutenberg downloadsen2018Difficulty 48 (College)The slide valve, simply explained
Tennant, William John
392 Gutenberg downloadsen2025Difficulty 55 (Graduate)Building with Logs
Fickes, Clyde P. & Groben, W. Ellis (William Ellis)
391 Gutenberg downloadsen2019Difficulty 48 (College)The evolution of the oil industry
Ross, Victor
391 Gutenberg downloadsen2025Difficulty 68 (Academic)Weale's Series of Scientific and Technical Works
Crosby Lockwood and Son
391 Gutenberg downloadsen2020Difficulty 55 (Graduate)Karte und Kroki
Wolff, Hans
389 Gutenberg downloadsde2015Stokers and pokers : $b or, The London and North-Western Railway, the electric telegraph, and the railway clearing-house
Head, Francis Bond, Sir
389 Gutenberg downloadsen2024Difficulty 70 (Academic)The story of John Smeaton and the Eddystone lighthouse
Anonymous
389 Gutenberg downloadsen2025Difficulty 55 (Graduate)Scientific American Supplement, No. 430, March 29, 1884
Various
388 Gutenberg downloadsen2005Difficulty 59 (Graduate)The Microscope
Ross, Andrew
388 Gutenberg downloadsen2013Difficulty 65 (Academic)Vasárnapi Könyv. 1914. Első félév 12. füzet
Various
388 Gutenberg downloadshu2009"Puffing Billy" and the Prize "Rocket" or, the story of the Stephensons and our Railways.
Knight, Helen C. (Helen Cross)
387 Gutenberg downloadsen2012Difficulty 42 (College)Tunnel Engineering: A Museum Treatment
Vogel, Robert M.
387 Gutenberg downloadsen2012Difficulty 66 (Academic)Aeroplane construction : $b A handbook on the various methods and details of construction employed in the building of aeroplanes
Camm, Sydney
386 Gutenberg downloadsen2024Difficulty 65 (Academic)Zenith Television Receiver Operating Manual
Anonymous
386 Gutenberg downloadsen2009Difficulty 65 (Academic)Steel : $b a manual for steel users
Metcalf, William
385 Gutenberg downloadsen2023Difficulty 60 (Graduate)Handbook for Light Artillery
Dyer, A. B. (Alexander Brydie)
384 Gutenberg downloadsen2020Difficulty 51 (Graduate)Mine Pumping in Agricola's Time and Later
Multhauf, Robert P.
384 Gutenberg downloadsen2010Difficulty 59 (Graduate)Installation and Operation Instructions For Custom Mark III CP Series Oil Fired Unit
Anonymous
383 Gutenberg downloadsen2009Difficulty 51 (Graduate)Shafting, Pulleys, Belting and Rope Transmission
Collins, Hubert E. (Hubert Edwin)
383 Gutenberg downloadsen2020Difficulty 54 (Graduate)The Sewerage of Sea Coast Towns
Adams, Henry Charles
383 Gutenberg downloadsen2005Difficulty 58 (Graduate)Lecture on Artificial Flight Given by request at the Academy of Natural Sciences
Krueger, William G.
382 Gutenberg downloadsen2011Difficulty 66 (Academic)Motor-car principles; the gasoline automobile
Whitman, Roger B. (Roger Bradbury)
382 Gutenberg downloadsen2023Difficulty 66 (Academic)The Road
Belloc, Hilaire
382 Gutenberg downloadsen2021Difficulty 63 (Academic)Profits from scrap
American Bureau of Engineering, Chicago
381 Gutenberg downloadsen2016Difficulty 49 (College)Die Casting: Dies—Machines—Methods
Lucas, Chester L.
380 Gutenberg downloadsen2016Difficulty 55 (Graduate)Lessons in Wireless Telegraphy
Morgan, Alfred Powell
380 Gutenberg downloadsen2020Difficulty 56 (Graduate)Railroad Accidents, Their Cause and Prevention
Richards, R. C. (Ralph Coffin)
380 Gutenberg downloadsen2012Difficulty 56 (Graduate)The model village and its cottages : $b Bournville
Harvey, William Alexander
380 Gutenberg downloadsen2024Difficulty 56 (Graduate)Dirigible Balloons
Hayward, Charles B. (Charles Brian)
379 Gutenberg downloadsen2020Difficulty 57 (Graduate)Earth dams, a study
Bassell, Burr
379 Gutenberg downloadsen2022Difficulty 59 (Graduate)The Panama Canal
McKinlay, Duncan E.
379 Gutenberg downloadsen2014Difficulty 70 (Academic)The Woman's Part: A Record of Munitions Work
Yates, L. K.
379 Gutenberg downloadsen2011Difficulty 65 (Academic)Earthwork Slips and Subsidences upon Public Works Their Causes, Prevention, and Reparation
Newman, John
378 Gutenberg downloadsen2017Difficulty 67 (Academic)Gasoline and Oil Stoves, "New Process" and "Standard." 1901
Standard Lighting Company
378 Gutenberg downloadsen2017Difficulty 42 (College)The Fifteen Watt Tungsten Lamp
Anderson, Clair Elmore
378 Gutenberg downloadsen2015Difficulty 54 (Graduate)The Rural Motor Express To Conserve Foodstuffs and Labor and to Supply Rural Transportation.
United States. Council of National Defense. Highways Transport Committee
377 Gutenberg downloadsen2006Difficulty 64 (Academic)Windmills, Picturesque and Historic: The Motors of the Past
Shelton, F. H.
377 Gutenberg downloadsen2017Difficulty 52 (Graduate)Wonderful Development of Peter the Great's Pet Projects, according to His Last Will and Testament. American Invention as an Aid to Russia's Grasp on Asiatic Territory.
Gannon, W.
377 Gutenberg downloadsen2013Difficulty 62 (Academic)Bamboo, Considered as a Paper-making Material With remarks upon its cultivation and treatment. Supplemented by a consideration of the present position of the paper trade in relation to the supply of raw material.
Routledge, Thomas
376 Gutenberg downloadsen2017Difficulty 77 (Expert)Engineers and their triumphs the story of the locomotive, the steamship, bridge building, tunnel making
Holmes, F. M. (Frederic Morell)
376 Gutenberg downloadsen2022Difficulty 47 (College)Natural Stability and the Parachute Principle in Aeroplanes
LeMaitre, W.
376 Gutenberg downloadsen2013Difficulty 52 (Graduate)Scientific American Supplement, No. 633, February 18, 1888
Various
376 Gutenberg downloadsen2005Difficulty 54 (Graduate)Specifications for street roadway pavements with instructions to inspectors on street paving work
Whinery, Samuel
376 Gutenberg downloadsen2022Difficulty 85 (Specialist)The Way of the Air: A Description of Modern Aviation
Middleton, Edgar Charles
376 Gutenberg downloadsen2016Difficulty 51 (Graduate)Three textile raw materials and their manufacture
International Acceptance Bank
376 Gutenberg downloadsen2023Difficulty 61 (Academic)Omhoog in het luchtruim! Praatje over het luchtvaartvraagstuk De Aarde en haar Volken, 1908
Uildriks, Frederike van
375 Gutenberg downloadsnl2004Report of the Knaresbrough Rail-way Committee
Knaresbrough Rail-Way Committee (Knaresborough, England)
375 Gutenberg downloadsen2007Difficulty 69 (Academic)The chocolate-plant (Theobroma cacao) and its products
Anonymous
375 Gutenberg downloadsen2025Difficulty 55 (Graduate)Les règles de Cicco Simonetta pour le déchiffrement des écritures secrètes
Simonetta, Cicco
374 Gutenberg downloadsfr2009Marvel Carbureter and Heat Control As Used on Series 691 Nash Sixes Booklet S
Anonymous
374 Gutenberg downloadsen2008Difficulty 49 (College)Model Flying Machines
Morgan, Alfred Powell
374 Gutenberg downloadsen2021Difficulty 48 (College)Story of the Aeroplane
Galbreath, C. B. (Charles Burleigh)
374 Gutenberg downloadsen2012Difficulty 53 (Graduate)Het eerste ontwerp voor de bedijking der Zuiderzee, 1848
Kloppenburg, Jakob & Faddegon, Pieter
373 Gutenberg downloadsnl2013Manuel da Maya e os engenheiros militares portugueses no Terramoto de 1755
Sepúlveda, Christóvam Ayres de Magalhães
373 Gutenberg downloadspt2006'Return Loads' to Increase Transport Resources by Avoiding Waste of Empty Vehicle Running.
United States. Council of National Defense. Highways Transport Committee
372 Gutenberg downloadsen2006Difficulty 69 (Academic)Machines at Work
Elting, Mary
372 Gutenberg downloadsen2017Difficulty 37 (High School)Survival at Altitude for Heavy and Very Heavy Bomber Crews
United States. Army Air Forces. Air Force, 2nd. Altitude Indoctrination Unit
371 Gutenberg downloadsen2021Difficulty 51 (Graduate)The First Man-Carrying Aeroplane Capable of Sustained Free Flight: Langley's Success as a Pioneer in Aviation From the Smithsonian Report for 1914, pages 217-222, Publication 2329, 1915
Zahm, Albert Francis
371 Gutenberg downloadsen2013Difficulty 58 (Graduate)Bridge Disasters in America: The Cause and the Remedy
Vose, George L. (George Leonard)
370 Gutenberg downloadsen2009Difficulty 58 (Graduate)Chambers's Edinburgh Journal, No. 451 Volume 18, New Series, August 21, 1852
Various
370 Gutenberg downloadsen2007Difficulty 63 (Academic)Darstellende Geometrie des Geländes und verwandte Anwendungen der Methode der kotierten Projektionen
Rothe, Rudolf
370 Gutenberg downloadsde2018Illustrated Catalogue of Cotton Machinery
Howard & Bullough American Machine Company
369 Gutenberg downloadsen2011Difficulty 54 (Graduate)Lasers
Hellman, Hal
369 Gutenberg downloadsen2021Difficulty 59 (Graduate)Practical Stair Building and Handrailing By the square section and falling line system.
Wood, W. H.
369 Gutenberg downloadsen2018Difficulty 38 (High School)The Nuclear Ship Savannah First Atomic Merchant Ship, One of the World's Safest Ships
United States. Department of Commerce & United States. Maritime Administration & U.S. Atomic Energy Commission
369 Gutenberg downloadsen2020Difficulty 67 (Academic)Down Town Brooklyn A Report to the Comptroller of the City of New York on Sites for Public Buildings and the Relocation of the Elevated Railroad Tracks now in Lower Fulton Street, Borough of Brooklyn
Brooklyn (New York, N.Y.). Committee of Ten
368 Gutenberg downloadsen2010Difficulty 59 (Graduate)The Fireless Locomotive
Anonymous
368 Gutenberg downloadsen2021Difficulty 56 (Graduate)Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. Meadows Division and Harrison Transfer Yard. Paper No. 1153
Temple, E. B.
368 Gutenberg downloadsen2006Difficulty 59 (Graduate)A Lost Chapter in the History of the Steamboat
Latrobe, John H. B. (John Hazlehurst Boneval)
367 Gutenberg downloadsen2020Difficulty 56 (Graduate)Aircraft in war
Bruce, Eric Stuart
367 Gutenberg downloadsen2023Difficulty 55 (Graduate)The story of paper-making : $b an account of paper-making from its earliest known record down to the present time
Butler, Frank Osgood
367 Gutenberg downloadsen2018Difficulty 60 (Graduate)The Manufacture of Tomato Products Including whole tomato pulp or puree, tomato catsup, chili sauce, tomato soup, trimming pulp
Hier, W. G. (Wayland Gladstone)
366 Gutenberg downloadsen2021Difficulty 65 (Academic)The Thompson-Houston System of Electric Lighting
Cory, H. T. (Harry Thomas)
366 Gutenberg downloadsen2017Difficulty 55 (Graduate)The Panama Canal
Boardman, Harry Clow
365 Gutenberg downloadsen2017Difficulty 58 (Graduate)Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 Locomotive Performance On Grades Of Various Lengths, Paper No. 1172
Randolph, B. S. (Beverly S.)
364 Gutenberg downloadsen2006Difficulty 47 (College)The Invention of Typography A Brief Sketch of the Invention of Printing and How it Came About
Hamilton, Frederick W. (Frederick William)
363 Gutenberg downloadsen2022Difficulty 58 (Graduate)Flat Machine Knitting and Fabrics
Buck, H. D. (Horace Davis)
362 Gutenberg downloadsen2018Difficulty 47 (College)Metropolitan Subway and Elevated Systems Bulletin 49
General Electric Company
362 Gutenberg downloadsen2017Difficulty 58 (Graduate)Traité des Arènes construites au Pays de Liége, pour l'écoulement et l'épuisement des eaux dans les ouvrages souterrains des exploitations de mines de houille
Crassier, L.-M.-G de
362 Gutenberg downloadsfr2008A Succinct View of the Importance and Practicability of Forming a Ship Canal across the Isthmus of Panama
Hill, H. R.
361 Gutenberg downloadsen2009Difficulty 68 (Academic)Bangerter's Inventions; His Marvelous Time Clock
Unknown
360 Gutenberg downloadsen2016Difficulty 59 (Graduate)Scientific American Supplement, No. 358, November 11, 1882
Various
360 Gutenberg downloadsen2005Difficulty 61 (Academic)Die Geschichte der Dampfmaschine bis James Watt
Geitel, Max
359 Gutenberg downloadsde2016Motor Transports in War
Wyatt, Horace
359 Gutenberg downloadsen2018Difficulty 63 (Academic)Automata Old and New
Cooke, Conrad William
358 Gutenberg downloadsen2017Difficulty 62 (Academic)L'Illustration, No. 3236, 4 Mars 1905
Various
358 Gutenberg downloadsfr2010HomeBrew HomePages Put YOU on the World Wide Web
Anonymous
357 Gutenberg downloadsen1995Difficulty 42 (College)James Watt und die Erfindung der Dampfmaschine
Biedenkapp, Georg
356 Gutenberg downloadsde2016A Complete List of the Books Included in the S. & C. Series of Elementary Manuals for Mechanics and Students published by E. & F. N. Spon, Ltd., London. January 1912
E. & F. N. Spon
355 Gutenberg downloadsen2013Difficulty 57 (Graduate)Atoms at the Science Fair: Exhibiting Nuclear Projects
LeCompte, Robert G. & Wood, Burrell L.
355 Gutenberg downloadsen2021Difficulty 62 (Academic)Direct Conversion of Energy
Corliss, William R.
355 Gutenberg downloadsen2021Difficulty 67 (Academic)Werner von Siemens, der Begründer der modernen Elektrotechnik
Fürst, Artur
355 Gutenberg downloadsde2014C.A. Coey's School of Motoring, 1424-26 Michigan Ave. Chicago
Coey, Charles Andrew
353 Gutenberg downloadsen2015Difficulty 50 (College)The telephone : $b a lecture entitled Researches in electric telephony
Bell, Alexander Graham
353 Gutenberg downloadsen2017Difficulty 67 (Academic)Torpedo War, and Submarine Explosions
Fulton, Robert
353 Gutenberg downloadsen2016Difficulty 60 (Graduate)Cotton, Its Progress from the Field to the Needle Being a brief sketch of the culture of the plant, its picking, cleaning, packing, shipment, and manufacture
Anonymous
351 Gutenberg downloadsen2011Difficulty 57 (Graduate)Jacquard Machines: Instruction Paper
Nelson, H. William (Hector William)
351 Gutenberg downloadsen2015Difficulty 46 (College)Artificial Limbs
Broca, Auguste & Ducroquet, Charles
350 Gutenberg downloadsen2017Difficulty 62 (Academic)Das lebende Lichtbild: Entwicklung, Wesen und Bedeutung des Kinematographen
Liesegang, Franz Paul
350 Gutenberg downloadsde2017Engineer Port Repair Ship
United States. War Department
350 Gutenberg downloadsen2018Difficulty 55 (Graduate)Engineering Bulletin No 1: Boiler and Furnace Testing
Strohm, Rufus T. (Rufus Tracy)
350 Gutenberg downloadsen2006Difficulty 46 (College)The Road and the Roadside
Potter, Burton Willis
349 Gutenberg downloadsen2009Difficulty 53 (Graduate)The Daguerreian Journal, Vol. II, No. 2, June 1, 1851
Various
348 Gutenberg downloadsen2020Difficulty 62 (Academic)The Memoirs of Charles H. Cramp
Buell, Augustus C.
348 Gutenberg downloadsen2018Difficulty 63 (Academic)De aardbeving van San Francisco De Aarde en haar Volken, 1907
Vries, Hugo de
347 Gutenberg downloadsnl2006Facts and Figures Concerning the Hoosac Tunnel
Piper, John J.
347 Gutenberg downloadsen2012Difficulty 64 (Academic)Lightning, Thunder and Lightning Conductors
Molloy, Gerald
347 Gutenberg downloadsen2022Difficulty 62 (Academic)The turner's companion $b containing instructions in concentric, elliptic, and eccentric turning; also various plates of chucks, tools and instruments: and directions for using the eccentric cutter, drill, vertical cutter, and circular rest; with patterns, and instructions for working them.
Anonymous
347 Gutenberg downloadsen2023Difficulty 77 (Expert)Vision by radio, radio photographs, radio photograms
Jenkins, C. Francis (Charles Francis)
347 Gutenberg downloadsen2024Difficulty 69 (Academic)Army Pulse Radiation Facility
U.S. Army Ballistic Research Laboratory
346 Gutenberg downloadsen2022Difficulty 62 (Academic)Wrinkles in Electric Lighting
Stephen, Vincent
346 Gutenberg downloadsen2011Difficulty 60 (Graduate)Cork: Being the story of the origin of cork, the processes employed in its manufacture & its various uses in the world to-day
Armstrong Cork Company
345 Gutenberg downloadsen2023Difficulty 68 (Academic)Paper & paper making, ancient and modern
Herring, Richard
345 Gutenberg downloadsen2023Difficulty 67 (Academic)De afsluiting en droogmaking der Zuiderzee. Weerlegging van bezwaren. uitgegeven door de Zuiderzee-Vereeniging
Beekman, A. A. (Anton Albert)
344 Gutenberg downloadsnl2011Der Schiffbau seit seiner Entstehung, Band 1
Konijnenburg, E. van (Emile)
344 Gutenberg downloadsde2025From trail to railway through the Appalachians
Brigham, Albert Perry
344 Gutenberg downloadsen2023Difficulty 45 (College)History of Steam on the Erie Canal
Anonymous
344 Gutenberg downloadsen2006Difficulty 55 (Graduate)L'ebook a 40 ans (1971-2011)
Lebert, Marie
344 Gutenberg downloadsfr2011Technik der Bronzeplastik
Lüer, Hermann
344 Gutenberg downloadsde2016Three little lines : $b Silverton Railroad, Silverton, Gladstone & Northerly, Silverton Northern
Crum, Josie Moore
344 Gutenberg downloadsen2020Difficulty 47 (College)Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers The New York Tunnel Extension of the Pennsylvania Railroad
Various
344 Gutenberg downloadsen2013Difficulty 52 (Graduate)Villkor och möjligheter för kemisk storindustri i Sverige
Larsson, Ernst
344 Gutenberg downloadssv2007Elementary Course in Woodwork Designed for use in high and technical schools, with one hundred and thirty-four illustrations: First Edition
Ross, George Alexander
343 Gutenberg downloadsen2021Difficulty 45 (College)Sciopticon: Einführung in die Projections-Kunst
Liesegang, Franz Paul
343 Gutenberg downloadsde2014The Oak Ridge ALGOL Compiler for the Control Data Corporation 1604 Preliminary Programmer's Manual
Bumgarner, L. L.
343 Gutenberg downloadsen2015Difficulty 52 (Graduate)U.S. Patent 4,293,314: Gelled Fuel-Air Explosive October 6, 1981.
Stull, Bertram O.
342 Gutenberg downloadsen2008Difficulty 53 (Graduate)Artificial fire-works : $b improved to the modern practice, from the minutest to the highest branches
Jones, Robert
341 Gutenberg downloadsen2021Difficulty 49 (College)Plank Frame Barn Construction
Shawver, John L.
341 Gutenberg downloadsen2021Difficulty 48 (College)40 years / 40 años / 40 ans
Lebert, Marie
340 Gutenberg downloadsen2010Difficulty 62 (Academic)Synthetic Tannins, Their Synthesis, Industrial Production and Application
Grasser, Georg
340 Gutenberg downloadsen2005Difficulty 63 (Academic)Instructions for the Management of Harvey's Sea Torpedo
Harvey, Frederick
339 Gutenberg downloadsen2022Difficulty 55 (Graduate)Le Circuit de l'Est [programme]
Commune de Amiens/Nancy
339 Gutenberg downloadsfr2004A boy's text book on gas engines : $b a book for boys describing and explaining in simple language the automobile gas engine
Faurote, Fay Leone
338 Gutenberg downloadsen2023Difficulty 49 (College)Geld und Erfahrung
Eyth, Max
338 Gutenberg downloadsde2015Improvement in Fire-Arms and in the Apparatus Used Therewith United States Patent Office Application
Colt, Samuel
338 Gutenberg downloadsen2015Difficulty 52 (Graduate)Spar-torpedo instructions for the United States Navy
United States. Navy Department. Bureau of Ordnance
338 Gutenberg downloadsen2025Difficulty 52 (Graduate)The American Journal of Photography, Vol. XI, No. 7, July 1890
Various
338 Gutenberg downloadsen2019Difficulty 54 (Graduate)Die Säge: Ein Rückblick auf vier Jahrtausende
Feldhaus, Franz M. (Franz Maria)
336 Gutenberg downloadsde2019Pulp and Paper Magazine, Vol. XIII, No. 20, October 15, 1916 A Semi-Monthly Magazine Devoted to the Science and Practice of the Pulp and Paper Manufacturing Industry with an Up-to-date Review of Conditions in the Allied Trades.
Various
336 Gutenberg downloadsen2016Difficulty 63 (Academic)Remarks on the Present System of Road Making With Observations, Deduced from Practice and Experience, With a View to a Revision of the Existing Laws, and the Introduction of Improvement in the Method of Making, Repairing, and Preserving Roads, and Defending the Road Funds from Misapplication. Seventh Edition, Carefully Revised, With an Appendix, and Report from the Select Committee of the House of Commons, June 1823, with Extracts from the Evidence
McAdam, John Loudon
336 Gutenberg downloadsen2021Difficulty 71 (Expert)The Atom and the Ocean
Hull, E. W. Seabrook
336 Gutenberg downloadsen2021Difficulty 61 (Academic)The Stoker's Catechism
Connor, W. J.
336 Gutenberg downloadsen2008Difficulty 62 (Academic)Electric railways
American School of Correspondence & Cravath, James Raley
335 Gutenberg downloadsen2025Difficulty 58 (Graduate)Return-Loads Bureaus to Save Waste in Transportation
United States. Council of National Defense. Highways Transport Committee
335 Gutenberg downloadsen2006Difficulty 60 (Graduate)Elastic and non-elastic narrow fabrics : $b and a chapter on narrow fabrics made on knitting machines
Brown, Samuel
334 Gutenberg downloadsen2022Difficulty 57 (Graduate)Elementary lathe practice : $b As adapted to the teaching of machine shop practice in technical schools
Palmateer, T. J. (Theron Josiaha)
334 Gutenberg downloadsen2025Difficulty 39 (High School)Instruction book on ring spinning
Lincoln, Francis L.
334 Gutenberg downloadsen2010Difficulty 30 (Middle School)The Daguerreian Journal, Vol. I, No. 8, March 1, 1851
Various
334 Gutenberg downloadsen2020Difficulty 65 (Academic)The hardwood finisher : $b with rules and directions, for finishing in natural colors and in antique, mahogany, cherry, birch, walnut, oak, ash, redwood, sycamore, pine, and all other domestic woods...
Unknown
334 Gutenberg downloadsen2025Difficulty 55 (Graduate)The Mentor: Great American Inventors, Vol. 1, Num. 29, Serial No. 29
Bruce, H. Addington (Henry Addington)
334 Gutenberg downloadsen2015Difficulty 57 (Graduate)La web, una enciclopedia multilingüe
Lebert, Marie
333 Gutenberg downloadses2013The Great Thames Barrage
Barber, Thomas Walter
333 Gutenberg downloadsen2020Difficulty 55 (Graduate)A Pioneer Railway of the West
Lafferty, Maude Ward
332 Gutenberg downloadsen2008Difficulty 58 (Graduate)Bailey's Dam
Smith, Steven D. & Castille, George J.
332 Gutenberg downloadsen2020Difficulty 56 (Graduate)Remarks on a Pamphlet Lately published by the Rev. Mr. Maskelyne, Under the Authority of the Board of Longitude
Harrison, John
332 Gutenberg downloadsen2011Difficulty 77 (Expert)Remarks on the Proposed Railway Between Birmingham and London
Anonymous
332 Gutenberg downloadsen2017Difficulty 55 (Graduate)Schöpfungen der Ingenieurtechnik der Neuzeit
Geitel, Max
332 Gutenberg downloadsde2014The Isthmus of Suez Question
Lesseps, Ferdinand de
332 Gutenberg downloadsen2019Difficulty 64 (Academic)The magic lantern and its management : $b including full practical directions for producing the lime light, making oxygen gas, and preparing lantern slides
Hepworth, Thomas Cradock
332 Gutenberg downloadsen2025Difficulty 53 (Graduate)Tri-nitro-glycerine, as Applied in the Hoosac Tunnel, Submarine Blasting, etc., etc., etc.
Mowbray, George M.
332 Gutenberg downloadsen2021Difficulty 65 (Academic)An Attempt to Analyse the Automaton Chess Player of Mr. De Kempelen To Which is Added, a Copious Collection of the Knight's Moves over the Chess Board
Willis, Robert
330 Gutenberg downloadsen2020Difficulty 56 (Graduate)Glen Canyon Dam
United States. Bureau of Reclamation
330 Gutenberg downloadsen2019Difficulty 50 (College)Quo vadimus? : $b Some glimpses of the future
Fournier d'Albe, E. E. (Edmund Edward)
330 Gutenberg downloadsen2024Difficulty 55 (Graduate)Digital PDP15 Price List, April, 1970
Digital Equipment Corporation
327 Gutenberg downloadsen2011Difficulty 72 (Expert)The Mentor: Reclaiming the Desert, Vol. 6, Num. 17, Serial No. 165, October 15, 1918
Blanchard, C. J. (Clarence John)
327 Gutenberg downloadsen2015Difficulty 59 (Graduate)Il nuovo lume delle gioie Opera utilissima ad'ogni persona, così a orefici, e speciali, per l'arte pratico.
Caliari, Pietro
326 Gutenberg downloadsit2017A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper.
Humphrey, S. D. (Samuel Dwight)
325 Gutenberg downloadsen2020Difficulty 59 (Graduate)Leonardo da Vinci als Ingenieur und Philosoph Ein Beitrag zur Geschichte der Technik und der induktiven Wissenschaften
Grothe, Hermann
325 Gutenberg downloadsde2019A brief sketch of the work of Matthew Fontaine Maury during the war, 1861-1865
Maury, Richard L. (Richard Lancelot)
324 Gutenberg downloadsen2010Difficulty 56 (Graduate)Søren Hjorth: Inventor of the Dynamo-electric Principle
Smith, Sigurd
323 Gutenberg downloadsen2021Difficulty 63 (Academic)Le Projet Gutenberg (1971-2005)
Lebert, Marie
322 Gutenberg downloadsfr2008Milestones in the Mighty Age of Steam: The Grasshopper and the Corliss
Anonymous
322 Gutenberg downloadsen2021Difficulty 48 (College)The violin and the art of its construction: a treatise on the Stradivarius violin
Riechers, August
322 Gutenberg downloadsen2022Difficulty 48 (College)Wireless Possibilities
Low, A. M. (Archibald Montgomery)
322 Gutenberg downloadsen2021Difficulty 58 (Graduate)How the shortage of skilled mechanics is being overcome by training the unskilled
United States. Council of National Defense. Committee on Labor. Section on Industrial Training for the War Emergency
321 Gutenberg downloadsen2023Difficulty 61 (Academic)Pegasus : $b problems of transportation
Fuller, J. F. C. (John Frederick Charles)
321 Gutenberg downloadsen2025Difficulty 55 (Graduate)The Chickamauga Dam and its environs
Walker, Robert Sparks
321 Gutenberg downloadsen2023Difficulty 54 (Graduate)The Water Supply of the El Paso and Southwestern Railway from Carrizozo to Santa Rosa, N. Mex. American Society of Civil Engineers: Transactions, No. 1170
Campbell, John Logan
321 Gutenberg downloadsen2005Difficulty 47 (College)Aviation Book
Davis, Haywood Leslie
320 Gutenberg downloadsen2020Difficulty 45 (College)D.C. Powered Timing Light Model 161.2158 for 12 Volt Ignition Systems Sears Owners Manual
Sears, Roebuck and Company
320 Gutenberg downloadsen2012Difficulty 54 (Graduate)Newark College of Engineering Bulletin, v. 11, No. 4, December 15, 1938
Newark College of Engineering
320 Gutenberg downloadsen2022Difficulty 58 (Graduate)Papierprüfung: Eine Anleitung zum Untersuchen von Papier
Herzberg, Wilhelm
320 Gutenberg downloadsde2019Practical Rules for the Management of a Locomotive Engine in the Station, on the Road, and in cases of Accident
Gregory, Charles Hutton
320 Gutenberg downloadsen2006Difficulty 62 (Academic)Delco Radio Owner's Manual Model 633; Delcotron Generator Installation
Delco-Remy Corporation
319 Gutenberg downloadsen2010Difficulty 53 (Graduate)Implement sheds
Ekblaw, K. J. T. (Karl John Theodore)
319 Gutenberg downloadsen2016Difficulty 52 (Graduate)Die Akkumulatoren: ihre Theorie, Herstellung, Behandlung und Verwendung.
Bermbach, Willibald
317 Gutenberg downloadsde2016Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 Final Report of Special Committee on Rail Sections, Paper No. 1177
Various
317 Gutenberg downloadsen2006Difficulty 50 (College)Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 Address at the 42d Annual Convention, Chicago, Illinois, June 21st, 1910, Paper No. 1178
Bensel, J. A. (John Anderson)
317 Gutenberg downloadsen2006Difficulty 69 (Academic)Cedar chests, how to make them
Windoes, Ralph Flagg
316 Gutenberg downloadsen2025Difficulty 47 (College)Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 A Concrete Water Tower, Paper No. 1173
Kempkey, A.
316 Gutenberg downloadsen2006Difficulty 45 (College)The Automatic Toy Works Manufacturers of the Best Novelties in Mechanical and Other Toys
Automatic Toy Works, New York
314 Gutenberg downloadsen2018Difficulty 50 (College)Verklaring van het stoomwerktuig zijnde eene algemeen bevattelijke beschrijving van deszelfs onderscheidene deelen, zamenstelling en werking.
Unknown
314 Gutenberg downloadsnl2010Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Tests of Creosoted Timber, Paper No. 1168
Gregory, W. B. (William Benjamin)
313 Gutenberg downloadsen2006Difficulty 42 (College)IBM System 360 RPG Debugging Template and Keypunch Card
Anonymous
312 Gutenberg downloadsen2011Difficulty 54 (Graduate)A few secrets of the metallurgist simply told
Hinkley, Gerald Watson
310 Gutenberg downloadsen2025Difficulty 60 (Graduate)How to become an inventor : $b Containing experiments in photography, hydraulics, galvanism and electricity, magnetism, heat, and the wonders of the microscope
Warford, Aaron A.
310 Gutenberg downloadsen2024Difficulty 49 (College)The Country's Need of Greater Railway Facilities and Terminals Address Delivered at the Annual Dinner of the Railway Business Association, New York City, December 19, 1912
Hill, James J. (James Jerome)
310 Gutenberg downloadsen2014Difficulty 55 (Graduate)The Dominion Astrophysical Observatory, Victoria, B.C.
Plaskett, J. S. (John Stanley)
310 Gutenberg downloadsen2020Difficulty 62 (Academic)Lichtbild- und Kino-Technik Lichtbühnen-Bibliothek Nr. 1
Liesegang, Franz Paul
309 Gutenberg downloadsde2015Report of the Railway Department of the Board of Trade on the London, Worcester, and Wolverhampton, and on the Birmingham and Shrewsbury Districts
Great Britain. Board of Trade. Railway Department
309 Gutenberg downloadsen2007Difficulty 74 (Expert)Vasárnapi Könyv. 1914. Első félév 15. füzet
Various
309 Gutenberg downloadshu2009Acoustics of auditoriums
Watson, Floyd Rowe
308 Gutenberg downloadsen2023Difficulty 56 (Graduate)Material Classification Recommended by the Railway Storekeepers' Association
United States. Railroad administration. Division of finance
308 Gutenberg downloadsen2018Difficulty 47 (College)American Horological Journal, Vol. I, No. 1, July 1869: Devoted to Pratical Horology
Unknown
306 Gutenberg downloadsen2022Difficulty 60 (Graduate)The Preservation of the Exterior of Wooden Buildings
Cushman, Allerton S. (Allerton Seward) & Gardner, Henry A. (Henry Alfred)
306 Gutenberg downloadsen2020Difficulty 67 (Academic)Die Festungen gegenüber den gezogenen Geschützen
Prittwitz, M. von (Moritz)
305 Gutenberg downloadsde2010Practical House, Wagon and Automobile Painter including sign painting, and valuable hints and recipes
White, W. F.
304 Gutenberg downloadsen2022Difficulty 44 (College)The construction and maintenance of earth roads
Lyman, Richard Roswell
304 Gutenberg downloadsen2022Difficulty 51 (Graduate)Telephone troubles : $b Their location and remedy
Wev, Edward Mahon
303 Gutenberg downloadsen2025Difficulty 49 (College)Glass and Glass Manufacture
Marson, Percival
302 Gutenberg downloadsen2020Difficulty 59 (Graduate)Light and Colour Theories, and their relation to light and colour standardization
Lovibond, Joseph W. (Joseph Williams)
301 Gutenberg downloadsen2018Difficulty 58 (Graduate)Refraction and muscular imbalance, as simplified through the use of the ski-optometer
Woolf, Daniel
301 Gutenberg downloadsen2023Difficulty 67 (Academic)Linotype mechanism
Swank, Alvin Garfield & Means, Raymond
300 Gutenberg downloadsen2023Difficulty 46 (College)Hoisting Appliances
International Correspondence Schools
299 Gutenberg downloadsen2022Difficulty 51 (Graduate)Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Reinforced Concrete Pier Construction
Klapp, Eugene
299 Gutenberg downloadsen2006Difficulty 51 (Graduate)Joseph Pennell's pictures of the Panama Canal Reproductions of a series of lithographs made by him on the Isthmus of Panama, January—March 1912, together with impressions and notes by the artist
Pennell, Joseph
298 Gutenberg downloadsen2015Difficulty 53 (Graduate)Manual for submarine mining
United States. War Department
298 Gutenberg downloadsen2024Difficulty 45 (College)Observations on the Automaton Chess Player Now Exhibited in London, at 4 Spring Gardens
Oxford graduate
298 Gutenberg downloadsen2019Difficulty 66 (Academic)Aeolus; or, the future of the flying machine
Stewart, Oliver, Major
296 Gutenberg downloadsen2025Difficulty 58 (Graduate)Boynton bicycle railway system
Boynton Bicycle Railway Company
296 Gutenberg downloadsen2024Difficulty 56 (Graduate)Preliminary Report on Gowganda Mining Division District of Nipissing Ontario
Collins, W. H. (William Henry)
296 Gutenberg downloadsen2021Difficulty 60 (Graduate)Fête aérostatique, qui sera célébrée aujourd'hui au champ de Mars; Aréostation: établissement d'une compagnie aéronautique
Anonymous
295 Gutenberg downloadsfr2006Pneumatic conveying
Phillips, Ernest George
295 Gutenberg downloadsen2023Difficulty 60 (Graduate)Tinting and toning of Eastman positive motion picture film : $b Second edition—revised
Eastman Kodak Company
295 Gutenberg downloadsen2023Difficulty 57 (Graduate)Problems of the Libyan Desert
Ball, John
294 Gutenberg downloadsen2025Difficulty 67 (Academic)Apontamentos sobre a via de communicação do rio Madeira
Rebouças, Antonio Pereira
293 Gutenberg downloadspt2007Deeds Barn and the Self Starter
Anonymous
293 Gutenberg downloadsen2021Difficulty 49 (College)Carpets
Brinton, R. S. (Reginald Seymour)
292 Gutenberg downloadsen2018Difficulty 54 (Graduate)Two men on a mill : $b The story of the restoration of Baxter's Mill
Castonguay, A. Harold
289 Gutenberg downloadsen2023Difficulty 53 (Graduate)Practical hints to builders and those contemplating building Facts worth considering relating to foundation, cellar, kitchen, chimney, cistern, brick-work, mortar, heating, ventilation, the roof, and many items of interest to builders.
National Sheet Metal Roofing Co.
288 Gutenberg downloadsen2022Difficulty 50 (College)The Economy of Workshop Manipulation A logical method of learning constructive mechanics. Arranged with questions for the use of apprentice engineers and students.
Richards, John
288 Gutenberg downloadsen2018Difficulty 66 (Academic)Bad Drains; and How to Test Them With notes on the ventilation of sewers, drains, and sanitary fittings, and the origin and transmission of zymotic disease
Reeves, R. Harris
287 Gutenberg downloadsen2019Difficulty 60 (Graduate)Natural & Artificial Sewage Treatment
Jones, Alfred Stowell & Roechling, H. Alfred
287 Gutenberg downloadsen2018Difficulty 61 (Academic)An account of a useful discovery to distill double the usual quantity of sea-water, by blowing showers of air up through the distilling liquor : $b and an account of the great benefit of ventilators in many instances, in preserving the health and lives of people, in slave and other transport ships ... also an account of the good effect of blowing showers of air up through milk, thereby to cure the ill taste which is occasioned by some kinds of food of cows.
Hales, Stephen
286 Gutenberg downloadsen2023Difficulty 58 (Graduate)India and Indian Engineering. Three lectures delivered at the Royal Engineer Institute, Chatham, in July 1872
Medley, J. G. (Julius George)
286 Gutenberg downloadsen2017Difficulty 66 (Academic)A Letter to the Kensington Canal Company on the Substitution of the Pneumatic Railway for the Common Railway by Which They Contemplate Extending Their Line of Conveyance
Vallance, John
285 Gutenberg downloadsen2020Difficulty 69 (Academic)De drooglegging der Zuiderzee. Het plan J. Ulehake contra het plan C. Lely
Ulehake, J.
284 Gutenberg downloadsnl2011The Journal of Electricity, Power and Gas, Volume XX, No. 18, May 2, 1908 Devoted to the Conversion, Transmission and Distribution of Energy
Various
284 Gutenberg downloadsen2018Difficulty 61 (Academic)The Wonderland of Trinidad
Barber Asphalt Paving Co.
281 Gutenberg downloadsen2019Difficulty 54 (Graduate)Notes Upon Indigo
Hayes, John L. (John Lord)
277 Gutenberg downloadsen2020Difficulty 58 (Graduate)A Method of Tanning without Bark
Maple, William
275 Gutenberg downloadsen2018Difficulty 60 (Graduate)Selenium cells : $b the construction, care and use of selenium cells with special reference to the Fritts cell
Benson, Thomas William
275 Gutenberg downloadsen2020Difficulty 51 (Graduate)Ontwerp van wet tot afsluiting en droogmaking van de Zuiderzee met toelichtende memorie
Lely, Cornelis
274 Gutenberg downloadsnl2011Monthly supplement of the penny magazine of the Society for the Diffusion of Useful Knowledge, issue 21, June 30 to July 31, 1832
Unknown
273 Gutenberg downloadsen2025Difficulty 62 (Academic)Comparison of Methods of Sewage Purification
Phillips, Theodore Clifford & Schneider, Edward John
270 Gutenberg downloadsen2019Difficulty 57 (Graduate)A manual of pyrotechny : $b or, A familiar system of recreative fire-works
Mortimer, G. W.
263 Gutenberg downloadsen2019Difficulty 68 (Academic)A new discovery for finding the longitude
Hobbs, William
262 Gutenberg downloadsen2025Difficulty 48 (College)International Bridge Authority, Sault Ste. Marie
Anonymous
262 Gutenberg downloadsen2020Difficulty 54 (Graduate)Books Relating to Applied Science, Published by E. & F. N. Spon, 1890.
E. & F. N. Spon
261 Gutenberg downloadsen2021Difficulty 62 (Academic)Plain Concrete for Farm Use
Miller, T. A. H. (Thomas Arrington Huntington)
261 Gutenberg downloadsen2019Difficulty 51 (Graduate)Vasárnapi Könyv. 1914. Első félév 10. füzet
Unknown
260 Gutenberg downloadshu2007Of Yankee granite : $b An account of the building of the Bunker Hill Monument
Cameron, Edward Herbert
259 Gutenberg downloadsen2023Difficulty 64 (Academic)Histoire du Canal de Suez
Lesseps, Ferdinand de
257 Gutenberg downloadsfr2021Water Power for the Farm and Country Home
Cooper, David R.
257 Gutenberg downloadsen2020Difficulty 62 (Academic)Books Relating to Applied Science, Published by E & F. N. Spon, 1887.
E. & F. N. Spon
256 Gutenberg downloadsen2019Difficulty 62 (Academic)Report on the Plans of the Various Railways before the Examiners of the House of Commons, 1864, so far as relates to the Parish of Kensington
Broadbridge, James
252 Gutenberg downloadsen2013Difficulty 53 (Graduate)The Making of a Man: Being a Description of Artificial Limbs and How They May Be Adopted by Those Who Have Suffered Loss of Their Natural Limbs
George R. Fuller Co. (Rochester, N.Y.)
251 Gutenberg downloadsen2021Difficulty 58 (Graduate)How to get an air job
Byrne, Jack
248 Gutenberg downloadsen2023Difficulty 53 (Graduate)The New Wonder of the World: Buffalo, the Electric City
Richmond, A. E.
248 Gutenberg downloadsen2020Difficulty 56 (Graduate)A Description of a New-Invented Stove-Grate Shewing Its Uses and Advantages Over All Others, Both in Point of Expence, and Every Purpose of a Chamber Fire
Durno, J.
247 Gutenberg downloadsen2020Difficulty 70 (Academic)Computers on the Farm Farm Uses for Computers, How to Select Software and Hardware, and Online Information Sources in Agriculture
Smith, Deborah Takiff
247 Gutenberg downloadsen2019Difficulty 59 (Graduate)Bowling Catalog E
Narragansett Machine Company
246 Gutenberg downloadsen2018Difficulty 44 (College)Design of a Steel Railroad Warehouse
Tallyn, Louis Liston
246 Gutenberg downloadsen2020Difficulty 44 (College)The Problem of Manflight
Means, James
241 Gutenberg downloadsen2017Difficulty 55 (Graduate)Great Western Railway Instructions
Grierson, William Wylie
239 Gutenberg downloadsen2018Difficulty 48 (College)The British Journal of Photography, No. 613, Vol. XIX, February 2, 1872
Various
238 Gutenberg downloadsen2019Difficulty 62 (Academic)Primeira origem da arte de imprimir dada à luz pelo primeiros characteres
Villeneuve, João
236 Gutenberg downloadspt2006Water and power for San Francisco from Hetch-Hetchy Valley in Yosemite National Park
Vilas, Martin Samuel
234 Gutenberg downloadsen2022Difficulty 59 (Graduate)Comparison of Woods for Butter Boxes
Turnbow, Grover Dean
233 Gutenberg downloadsen2022Difficulty 53 (Graduate)Report of the Several Works Connected with the Draining, Paving & Lighting the Parish of Saint Mary Abbotts, Kensington, 1856
Broadbridge, James
233 Gutenberg downloadsen2013Difficulty 58 (Graduate)Un grand français du XVIIme siècle : Pierre Paul Riquet et le canal du Midi
Fernay, Jacques
233 Gutenberg downloadsfr2018The Dry Collodion Process
Long, Charles A.
223 Gutenberg downloadsen2020Difficulty 57 (Graduate)The Chester and Holyhead Railway and Its Prospects
Morgan, William
207 Gutenberg downloadsen2020Difficulty 67 (Academic)Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 40, Vol. I, October 4, 1884
Various
182 Gutenberg downloadsen2021Difficulty 52 (Graduate)