Curated Shelf

Engineering & Technology

Pre-modern engineering manuals, builder's guides, and technical handbooks — practical knowledge underrepresented in modern training corpora.

1003 WorksDrawn from Project Gutenberg Bookshelf #671

The Notebooks of Leonardo Da Vinci — Complete
Leonardo, da Vinci
33,964 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Concrete Construction: Methods and Costs
Gillette, Halbert Powers & Hill, Charles Shattuck
14,064 Gutenberg downloadsen2008Difficulty 63 (Academic)
Practical Mechanics for Boys
Zerbe, James Slough
9,680 Gutenberg downloadsen2007Difficulty 45 (College)
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
6,386 Gutenberg downloadsen2007Difficulty 71 (Expert)
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)
5,439 Gutenberg downloadsen2009Difficulty 50 (College)
Electricity for Boys
Zerbe, James Slough
4,563 Gutenberg downloadsen2007Difficulty 52 (Graduate)
Color Images from Mars Rovers Spirit and Opportunity
Webster, Bob
4,195 Gutenberg downloadsen2004Difficulty 58 (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
3,941 Gutenberg downloadsen2025Difficulty 48 (College)
De Re Metallica, Translated from the First Latin Edition of 1556
Agricola, Georg
3,755 Gutenberg downloadsen2011Difficulty 64 (Academic)
The Dyeing of Cotton Fabrics: A Practical Handbook for the Dyer and Student
Beech, Franklin
3,751 Gutenberg downloadsen2007Difficulty 55 (Graduate)
The Progress of Invention in the Nineteenth Century.
Byrn, Edward W. (Edward Wright)
3,482 Gutenberg downloadsen2012Difficulty 56 (Graduate)
My Life and Work
Ford, Henry & Crowther, Samuel
3,268 Gutenberg downloadsen2005Difficulty 44 (College)
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)
3,105 Gutenberg downloadsen2009Difficulty 44 (College)
Mission Furniture: How to Make It, Part 3
Windsor, H. H. (Henry Haven)
3,086 Gutenberg downloadsen2007Difficulty 38 (High School)
Elements of Plumbing
Dibble, Samuel Edward
2,738 Gutenberg downloadsen2008Difficulty 46 (College)
The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting
Martin, Thomas Commerford
2,733 Gutenberg downloadsen2012Difficulty 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)
2,616 Gutenberg downloadsen2008Difficulty 54 (Graduate)
A History of Inventions, Discoveries, and Origins, Volume 2 (of 2)
Beckmann, Johann
2,519 Gutenberg downloadsen2015Difficulty 68 (Academic)
Edison: His Life and Inventions
Dyer, Frank Lewis & Martin, Thomas Commerford
2,426 Gutenberg downloadsen2006Difficulty 62 (Academic)
The handbook of soap manufacture
Simmons, W. H. (William Herbert) & Appleton, H. A.
2,354 Gutenberg downloadsen2007Difficulty 74 (Expert)
Steam-ships : $b The story of their development to the present day
Fletcher, R. A.
2,347 Gutenberg downloadsen2024Difficulty 50 (College)
Steam, Its Generation and Use
Babcock & Wilcox Company
2,328 Gutenberg downloadsen2007Difficulty 64 (Academic)
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
2,204 Gutenberg downloadsen2024Difficulty 69 (Academic)
Learning to Fly: A Practical Manual for Beginners
Grahame-White, Claude & Harper, Harry
2,154 Gutenberg downloadsen2008Difficulty 55 (Graduate)
The Pencil of Nature
Talbot, William Henry Fox
2,108 Gutenberg downloadsen2010Difficulty 56 (Graduate)
Jane's All the World's Aircraft. 1913
Unknown
2,024 Gutenberg downloadsen2011Difficulty 71 (Expert)
Gas and Oil Engines, Simply Explained An Elementary Instruction Book for Amateurs and Engine Attendants
Runciman, Walter C.
2,018 Gutenberg downloadsen2008Difficulty 57 (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.)
2,005 Gutenberg downloadsen2012Difficulty 57 (Graduate)
A Dictionary of Arts, Manufactures and Mines containing a clear exposition of their principles and practice
Ure, Andrew
2,004 Gutenberg downloadsen2014Difficulty 69 (Academic)
The Online World
De Presno, Odd
1,972 Gutenberg downloadsen1993Difficulty 51 (Graduate)
Mission Furniture: How to Make It, Part 1
Windsor, H. H. (Henry Haven)
1,935 Gutenberg downloadsen2007Difficulty 41 (College)
Passages from the Life of a Philosopher
Babbage, Charles
1,910 Gutenberg downloadsen2018Difficulty 51 (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.
1,812 Gutenberg downloadsen2008Difficulty 49 (College)
Aviation in Peace and War
Sykes, Frederick Hugh, Sir
1,796 Gutenberg downloadsen2008Difficulty 61 (Academic)
The Silicon Jungle
Rothman, David H.
1,760 Gutenberg downloadsen2017Difficulty 53 (Graduate)
Discoveries and Inventions of the Nineteenth Century
Routledge, Robert
1,702 Gutenberg downloadsen2017Difficulty 51 (Graduate)
The Boy Electrician
Morgan, Alfred Powell
1,696 Gutenberg downloadsen2020Difficulty 47 (College)
The Invention of the Sewing Machine
Cooper, Grace Rogers
1,669 Gutenberg downloadsen2010Difficulty 57 (Graduate)
A History of the Growth of the Steam-Engine
Thurston, Robert Henry
1,668 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Computers—the machines we think with
Halacy, D. S. (Daniel Stephen)
1,665 Gutenberg downloadsen2024Difficulty 58 (Graduate)
Inventors at Work, with Chapters on Discovery
Iles, George
1,648 Gutenberg downloadsen2015Difficulty 60 (Graduate)
Garden Cities of To-Morrow Being the Second Edition of "To-Morrow: a Peaceful Path to Real Reform"
Howard, Ebenezer, Sir
1,637 Gutenberg downloadsen2014Difficulty 63 (Academic)
Modern Machine-Shop Practice, Volumes I and II
Rose, Joshua
1,630 Gutenberg downloadsen2012Difficulty 80 (Expert)
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
1,621 Gutenberg downloadsen2009Difficulty 58 (Graduate)
Woodworking Tools 1600-1900
Welsh, Peter C.
1,585 Gutenberg downloadsen2008Difficulty 54 (Graduate)
English and American tool builders
Roe, Joseph Wickham
1,574 Gutenberg downloadsen2023Difficulty 51 (Graduate)
Lectures in Navigation
Draper, Ernest Gallaudet
1,562 Gutenberg downloadsen2008Difficulty 46 (College)
The history of steam navigation
Kennedy, John
1,554 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Waterways and Water Transport in Different Countries With a description of the Panama, Suez, Manchester, Nicaraguan, and other canals.
Jeans, J. Stephen (James Stephen)
1,547 Gutenberg downloadsen2018Difficulty 58 (Graduate)
The Jargon File, Version 2.9.10, 01 Jul 1992
Unknown
1,528 Gutenberg downloadsen1992Difficulty 64 (Academic)
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
1,499 Gutenberg downloadsen2012Difficulty 58 (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
1,499 Gutenberg downloadsen2013Difficulty 76 (Expert)
The American Railway: Its Construction, Development, Management, and Appliances
Clarke, Thomas Curtis
1,494 Gutenberg downloadsen2017Difficulty 88 (Specialist)
Panama and the Canal in Picture and Prose
Abbot, Willis J. (Willis John)
1,474 Gutenberg downloadsen2021Difficulty 100 (Quantum Electrodynamics)
Encyclopaedia Britannica, 11th Edition, "Joints" to "Justinian I." Volume 15, Slice 5
Various
1,472 Gutenberg downloadsen2012Difficulty 65 (Academic)
Inventions in the century
Doolittle, William H. (William Henry)
1,471 Gutenberg downloadsen2011Difficulty 67 (Academic)
German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering
Kroeh, Charles Frederick
1,470 Gutenberg downloadsde2007
Giant brains; or, Machines that think
Berkeley, Edmund Callis
1,466 Gutenberg downloadsen2022Difficulty 48 (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
1,461 Gutenberg downloadsen2020Difficulty 67 (Academic)
History of merchant shipping and ancient commerce, Volume 4 (of 4)
Lindsay, W. S. (William Schaw)
1,445 Gutenberg downloadsen2024Difficulty 78 (Expert)
Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons
Abbot, Willis J. (Willis John)
1,442 Gutenberg downloadsen2009Difficulty 59 (Graduate)
A Newly Discovered System of Electrical Medication
Clark, Daniel
1,432 Gutenberg downloadsen2007Difficulty 66 (Academic)
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
1,421 Gutenberg downloadsen2016Difficulty 52 (Graduate)
The Evolution of Naval Armament
Robertson, Frederick Leslie
1,392 Gutenberg downloadsen2018Difficulty 61 (Academic)
Ocean Steam Navigation and the Ocean Post
Rainey, Thomas
1,391 Gutenberg downloadsen2008Difficulty 77 (Expert)
The boy mechanic, book 3 : $b 800 things for boys to do
Unknown
1,387 Gutenberg downloadsen2023Difficulty 43 (College)
Underground: Hacking, madness and obsession on the electronic frontier
Dreyfus, Suelette
1,387 Gutenberg downloadsen2003Difficulty 53 (Graduate)
Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
Tesla, Nikola
1,372 Gutenberg downloadsen2004Difficulty 63 (Academic)
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
1,358 Gutenberg downloadsen2016Difficulty 86 (Specialist)
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
1,328 Gutenberg downloadsen2020Difficulty 61 (Academic)
Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd edition)
Williams-Ellis, Clough
1,307 Gutenberg downloadsen2010Difficulty 53 (Graduate)
Carriages & Coaches: Their History & Their Evolution
Straus, Ralph
1,304 Gutenberg downloadsen2014Difficulty 55 (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
1,291 Gutenberg downloadsen2012Difficulty 56 (Graduate)
The Story of the Typewriter, 1873-1923
Herkimer County Historical Society
1,289 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Torpedoes and Torpedo Warfare Containing a Complete and Concise Account of the Rise and Progress of Submarine Warfare
Sleeman, Charles William
1,264 Gutenberg downloadsen2014Difficulty 64 (Academic)
Aviation Engines: Design—Construction—Operation and Repair
Pagé, Victor Wilfred
1,251 Gutenberg downloadsen2011Difficulty 73 (Expert)
Portable Flame Thrower M2-2
United States. War Department
1,245 Gutenberg downloadsen2016Difficulty 53 (Graduate)
The Bark Canoes and Skin Boats of North America
Adney, Tappan & Chapelle, Howard Irving
1,240 Gutenberg downloadsen2016Difficulty 53 (Graduate)
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.
1,233 Gutenberg downloadsen2008Difficulty 59 (Graduate)
James Watt
Carnegie, Andrew
1,231 Gutenberg downloadsen2008Difficulty 54 (Graduate)
Lightships and Lighthouses
Talbot, Frederick Arthur Ambrose
1,220 Gutenberg downloadsen2016Difficulty 61 (Academic)
On the Origin of Clockwork, Perpetual Motion Devices, and the Compass
Price, Derek J. de Solla (Derek John de Solla)
1,216 Gutenberg downloadsen2009Difficulty 65 (Academic)
The Project Gutenberg RST Manual
Perathoner, Marcello
1,213 Gutenberg downloadsen2001Difficulty 50 (College)
Hitchhiker's Guide to the Internet
Krol, Ed
1,201 Gutenberg downloadsen1992Difficulty 53 (Graduate)
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
1,201 Gutenberg downloadsen2016Difficulty 66 (Academic)
The Early History of the Airplane
Wright, Orville & Wright, Wilbur
1,188 Gutenberg downloadsen2008Difficulty 57 (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)
1,181 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Armour Plates" to "Arundel, Earls of" Volume 2, Slice 6
Various
1,176 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Cyclopedia of Telephony and Telegraphy, Vol. 1 A General Reference Work on Telephony, etc. etc.
American School of Correspondence
1,174 Gutenberg downloadsen2005Difficulty 74 (Expert)
Encyclopaedia Britannica, 11th Edition, "Hydromechanics" to "Ichnography" Volume 14, Slice 2
Various
1,174 Gutenberg downloadsen2012Difficulty 70 (Academic)
The Story of Great Inventions
Burns, Elmer Ellsworth
1,169 Gutenberg downloadsen2011Difficulty 57 (Graduate)
The life of Isambard Kingdom Brunel, Civil Engineer
Brunel, Isambard
1,154 Gutenberg downloadsen2012Difficulty 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)
1,150 Gutenberg downloadsen2017Difficulty 79 (Expert)
The Boy Mechanic, Book 2: 1000 Things for Boys to Do
Unknown
1,147 Gutenberg downloadsen2014Difficulty 49 (College)
The Modern Bicycle and Its Accessories
Schwalbach, Alex & Wilcox, Julius
1,147 Gutenberg downloadsen2018Difficulty 63 (Academic)
The Manufacture of Paper With Illustrations, and a Bibliography of Works Relating to Cellulose and Paper-Making
Sindall, R. W. (Robert Walter)
1,136 Gutenberg downloadsen2014Difficulty 54 (Graduate)
The Manufacture of Chocolate and other Cacao Preparations
Zipperer, Paul
1,135 Gutenberg downloadsen2017Difficulty 57 (Graduate)
Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant.
Thomssen, Edgar George
1,120 Gutenberg downloadsen2010Difficulty 56 (Graduate)
Life of Richard Trevithick, with an Account of His Inventions. Volume 2 (of 2)
Trevithick, Francis
1,111 Gutenberg downloadsen2014Difficulty 69 (Academic)
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
1,105 Gutenberg downloadsen2014Difficulty 61 (Academic)
Kinematics of Mechanisms from the Time of Watt
Ferguson, Eugene S.
1,093 Gutenberg downloadsen2008Difficulty 59 (Graduate)
The evolution of the steam locomotive (1803 to 1898)
Nokes, George Augustus
1,080 Gutenberg downloadsen2024Difficulty 61 (Academic)
Motorcycle, Solo (Harley-Davidson Model WLA)
United States. War Department
1,072 Gutenberg downloadsen2016Difficulty 57 (Graduate)
The Aeroplane Speaks. Fifth Edition
Barber, H. (Horatio)
1,072 Gutenberg downloadsen2007Difficulty 49 (College)
The History of Coaches
Thrupp, George Athelstane
1,069 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Lives of the Engineers The Locomotive. George and Robert Stephenson
Smiles, Samuel
1,068 Gutenberg downloadsen2009Difficulty 61 (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)
1,059 Gutenberg downloadsen2004Difficulty 55 (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
1,047 Gutenberg downloadsen2014Difficulty 57 (Graduate)
An Analysis of the Lever Escapement
Playtner, H. R.
1,042 Gutenberg downloadsen2007Difficulty 53 (Graduate)
Highways and Highway Transportation
Chatburn, George R.
1,041 Gutenberg downloadsen2021Difficulty 63 (Academic)
The Automobile Storage Battery: Its Care And Repair
Witte, Otto A.
1,036 Gutenberg downloadsen2009Difficulty 54 (Graduate)
Mechanics: The Science of Machinery
Bond, A. Russell (Alexander Russell)
1,034 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Experimental Mechanics A Course of Lectures Delivered at the Royal College of Science for Ireland
Ball, Robert S. (Robert Stawell)
1,032 Gutenberg downloadsen2020Difficulty 48 (College)
Artificial Light: Its Influence upon Civilization
Luckiesh, Matthew
1,020 Gutenberg downloadsen2006Difficulty 63 (Academic)
Keely and His Discoveries: Aerial Navigation
Moore, Bloomfield H., Mrs.
1,017 Gutenberg downloadsen2018Difficulty 60 (Graduate)
Pyrometry: A Practical Treatise on the Measurement of High Temperatures
Darling, Charles R. (Charles Robert)
1,016 Gutenberg downloadsen2018Difficulty 71 (Expert)
Encyclopaedia Britannica, 11th Edition, "Destructors" to "Diameter" Volume 8, Slice 3
Various
1,015 Gutenberg downloadsen2009Difficulty 60 (Graduate)
Steamships and their story
Chatterton, E. Keble (Edward Keble)
1,014 Gutenberg downloadsen2023Difficulty 64 (Academic)
Hackers, Heroes of the Computer Revolution. Chapters 1 and 2
Levy, Steven
1,009 Gutenberg downloadsen1996Difficulty 59 (Graduate)
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.)
1,007 Gutenberg downloadsen2023Difficulty 64 (Academic)
Leonardo da Vinci, Pathfinder of Science
Gillette, Henry S.
1,001 Gutenberg downloadsen2017Difficulty 51 (Graduate)
On the Economy of Machinery and Manufactures
Babbage, Charles
1,000 Gutenberg downloadsen2003Difficulty 68 (Academic)
Field artillery materiel
Unknown
997 Gutenberg downloadsen2023Difficulty 58 (Graduate)
A manual of face brick construction
American Face Brick Association
993 Gutenberg downloadsen2022Difficulty 56 (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.
989 Gutenberg downloadsen2018Difficulty 71 (Expert)
The Tank Corps
Williams-Ellis, Clough & Williams-Ellis, Amabel
987 Gutenberg downloadsen2020Difficulty 60 (Graduate)
Every-day Science: Volume 6. The Conquest of Nature
Williams, Henry Smith & Williams, Edward Huntington
982 Gutenberg downloadsen2013Difficulty 53 (Graduate)
The Wright Brothers
Kelly, Fred C. (Fred Charters)
981 Gutenberg downloadsen2022Difficulty 49 (College)
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
975 Gutenberg downloadsen2018Difficulty 55 (Graduate)
The calculating engine
Babbage, Charles
965 Gutenberg downloadsen2023Difficulty 71 (Expert)
American Hand Book of the Daguerreotype
Humphrey, S. D. (Samuel Dwight)
957 Gutenberg downloadsen1994Difficulty 61 (Academic)
Heroes of the Telegraph
Munro, John
954 Gutenberg downloadsen1997Difficulty 57 (Graduate)
Railway Adventures and Anecdotes: Extending over More Than Fifty Years
Unknown
950 Gutenberg downloadsen2010Difficulty 68 (Academic)
Induction Coils, How to Make, Use, and Repair Them. Including Ruhmkorff, Tesla, and Medical Coils, Roentgen Radiography, Etc. Etc.
Norrie, H. S.
943 Gutenberg downloadsen2017Difficulty 50 (College)
Gunpowder and Ammunition, Their Origin and Progress
Hime, H. W. L. (Henry William Lovett)
937 Gutenberg downloadsen2017Difficulty 52 (Graduate)
The Panama Canal
Haskin, Frederic J. (Frederic Jennings)
934 Gutenberg downloadsen2013Difficulty 56 (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
933 Gutenberg downloadsen2015Difficulty 46 (College)
Harper's Electricity Book for Boys
Adams, Joseph H. (Joseph Henry)
933 Gutenberg downloadsen2021Difficulty 59 (Graduate)
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
931 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Early American Scientific Instruments and Their Makers
Bedini, Silvio A.
926 Gutenberg downloadsen2012Difficulty 70 (Academic)
Shipbuilding from its beginnings. Vol. 1 (of 3)
Konijnenburg, E. van (Emile)
925 Gutenberg downloadsen2024Difficulty 55 (Graduate)
Catechism of the locomotive
Forney, Matthias N. (Matthias Nace) & Kosak, Georg
922 Gutenberg downloadsen2025Difficulty 51 (Graduate)
Men of Invention and Industry
Smiles, Samuel
918 Gutenberg downloadsen1996Difficulty 54 (Graduate)
A system of pyrotechny : $b Comprehending the theory and practice, with the application of chemistry; designed for exhibition and for war.
Cutbush, James
912 Gutenberg downloadsen2015Difficulty 45 (College)
The History of the Telephone
Casson, Herbert Newton
912 Gutenberg downloadsen1997Difficulty 49 (College)
James Nasmyth, Engineer: An Autobiography
Nasmyth, James
906 Gutenberg downloadsen1996Difficulty 64 (Academic)
Records of a Family of Engineers
Stevenson, Robert Louis
905 Gutenberg downloadsen1995Difficulty 54 (Graduate)
The Modern Railroad
Hungerford, Edward
900 Gutenberg downloadsen2012Difficulty 94 (Quantum Electrodynamics)
The Submarine in War and Peace: Its Development and its Possibilities
Lake, Simon
896 Gutenberg downloadsen2014Difficulty 66 (Academic)
Seasoning of Wood
Wagner, J. B. (Joseph Bernard)
889 Gutenberg downloadsen2008Difficulty 59 (Graduate)
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)
889 Gutenberg downloadsen2024Difficulty 70 (Academic)
Cotton Weaving and Designing 6th Edition
Taylor, John T.
888 Gutenberg downloadsen2018Difficulty 53 (Graduate)
Fire prevention and fire extinction
Braidwood, James
887 Gutenberg downloadsen2008Difficulty 69 (Academic)
The Rise of Rail-Power in War and Conquest, 1833-1914
Pratt, Edwin A.
884 Gutenberg downloadsen2013Difficulty 78 (Expert)
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)
882 Gutenberg downloadsen2015Difficulty 53 (Graduate)
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
878 Gutenberg downloadsen2017Difficulty 63 (Academic)
Debian GNU/Linux : Guide to Installation and Usage
Goerzen, John & Othman, Ossama
876 Gutenberg downloadsen2004Difficulty 51 (Graduate)
The archæology of Rome, Part 8 : $b The aqueducts
Parker, John Henry
876 Gutenberg downloadsen2024Difficulty 53 (Graduate)
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
871 Gutenberg downloadsen2017Difficulty 68 (Academic)
The Story of the Submarine
Bishop, Farnham
871 Gutenberg downloadsen2015Difficulty 56 (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)
870 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Aërial Navigation A Popular Treatise on the Growth of Air Craft and on Aëronautical Meteorology
Zahm, Albert Francis
869 Gutenberg downloadsen2019Difficulty 53 (Graduate)
British Airships, Past, Present, and Future
Whale, George
862 Gutenberg downloadsen1996Difficulty 56 (Graduate)
The watchmakers' hand book : $b intended as a workshop companion for those engaged in watchmaking and allied mechanical arts
Saunier, Claudius
862 Gutenberg downloadsen2025Difficulty 65 (Academic)
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
855 Gutenberg downloadsen2018Difficulty 68 (Academic)
Moving Pictures: How They Are Made and Worked
Talbot, Frederick Arthur Ambrose
854 Gutenberg downloadsen2022Difficulty 64 (Academic)
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)
853 Gutenberg downloadsen2007Difficulty 54 (Graduate)
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)
839 Gutenberg downloadsen2005Difficulty 84 (Specialist)
Lighthouses and Lightships A Descriptive and Historical Account of Their Mode of Construction and Organization
Adams, W. H. Davenport (William Henry Davenport)
838 Gutenberg downloadsen2018Difficulty 56 (Graduate)
An Introduction to Machine Drawing and Design
Low, David Allan
837 Gutenberg downloadsen2012Difficulty 48 (College)
Scientific American Supplement, No. 460, October 25, 1884
Various
834 Gutenberg downloadsen2004Difficulty 52 (Graduate)
The Railway Library, 1909 A Collection of Noteworthy Chapters, Addresses, and Papers Relating to Railways, Mostly Published During the Year
Unknown
832 Gutenberg downloadsen2015Difficulty 59 (Graduate)
The Boy's Book of New Inventions
Maule, Harry E. (Harry Edward)
831 Gutenberg downloadsen2014Difficulty 60 (Graduate)
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)
830 Gutenberg downloadsen2017Difficulty 72 (Expert)
The kaleidoscope : $b its history, theory and construction. With its application to the fine and useful arts
Brewster, David
829 Gutenberg downloadsen2024Difficulty 62 (Academic)
A History of Aeronautics
Vivian, Evelyn Charles & Marsh, W. Lockwood (William Lockwood)
828 Gutenberg downloadsen1997Difficulty 60 (Graduate)
The Telescope
Bell, Louis
828 Gutenberg downloadsen2016Difficulty 66 (Academic)
Ancient Egyptian and Greek Looms
Roth, H. Ling (Henry Ling)
821 Gutenberg downloadsen2008Difficulty 47 (College)
The 1893 Duryea Automobile In the Museum of History and Technology
Berkebile, Donald H.
821 Gutenberg downloadsen2009Difficulty 56 (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
819 Gutenberg downloadsen2013Difficulty 83 (Specialist)
Time Telling through the Ages
Brearley, Harry Chase
815 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Marvels 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.
813 Gutenberg downloadsen2011Difficulty 51 (Graduate)
The New York Subway, Its Construction and Equipment
Interborough Rapid Transit Company
813 Gutenberg downloadsen2006Difficulty 62 (Academic)
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.
812 Gutenberg downloadsen2009Difficulty 54 (Graduate)
Wonderful Balloon Ascents; Or, The Conquest of the Skies A History of Balloons and Balloon Voyages
Marion, Fulgence
811 Gutenberg downloadsen1997Difficulty 59 (Graduate)
Nitro-Explosives: A Practical Treatise
Sanford, P. Gerald (Percy Gerald)
810 Gutenberg downloadsen2005Difficulty 61 (Academic)
Principles of Mining: Valuation, Organization and Administration
Hoover, Herbert
808 Gutenberg downloadsen2008Difficulty 63 (Academic)
Technology and Books for All
Lebert, Marie
807 Gutenberg downloadsen2008Difficulty 61 (Academic)
Forge work
Ilgen, William L. (William Lewis)
806 Gutenberg downloadsen2016Difficulty 42 (College)
Modern ships of war
Reed, Edward J. (Edward James), Sir & Simpson, Edward
804 Gutenberg downloadsen2024Difficulty 64 (Academic)
Workshop on Electronic Texts: Proceedings, 9-10 June 1992
Library of Congress
799 Gutenberg downloadsen1993Difficulty 73 (Expert)
The Modern Clock A Study of Time Keeping Mechanism; Its Construction, Regulation and Repair
Goodrich, Ward L.
796 Gutenberg downloadsen2020Difficulty 49 (College)
An Unsinkable Titanic: Every Ship its own Lifeboat
Walker, John Bernard
787 Gutenberg downloadsen2014Difficulty 65 (Academic)
History of electric light
Schroeder, Henry
784 Gutenberg downloadsen2022Difficulty 70 (Academic)
Rambles on Railways
Roney, Cusack P., Sir
781 Gutenberg downloadsen2015Difficulty 58 (Graduate)
A-B-C of Electricity
Meadowcroft, Wm. H. (William Henry)
780 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Samuel F. B. Morse, His Letters and Journals In Two Volumes, Volume II
Morse, Samuel Finley Breese
780 Gutenberg downloadsen2004Difficulty 55 (Graduate)
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
779 Gutenberg downloadsen2017Difficulty 57 (Graduate)
Free as in Freedom: Richard Stallman's Crusade for Free Software
Williams, Sam
778 Gutenberg downloadsen2004Difficulty 57 (Graduate)
The Art of Bookbinding: A practical treatise, with plates and diagrams
Zaehnsdorf, Joseph William
777 Gutenberg downloadsen2016Difficulty 51 (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.
775 Gutenberg downloadsen2006Difficulty 65 (Academic)
The Puering, Bating & Drenching of Skins
Wood, Joseph Turney
772 Gutenberg downloadsen2018Difficulty 53 (Graduate)
The Aswân Obelisk With some remarks on the Ancient Engineering
Engelbach, Reginald
769 Gutenberg downloadsen2019Difficulty 46 (College)
Lightning Conductors: Their History, Nature, and Mode of Application
Anderson, Richard, F.C.S.
767 Gutenberg downloadsen2017Difficulty 58 (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.)
767 Gutenberg downloadsen2007Difficulty 52 (Graduate)
Theory and Practice of Piano Construction With a Detailed, Practical Method for Tuning
White, William Braid
767 Gutenberg downloadsen2018Difficulty 67 (Academic)
Die Welt auf Schienen Eine Darstellung der Einrichtungen und des Betriebs auf den Eisenbahnen des Fernverkehrs, Nebst einer Geschichte der Eisenbahn
Fürst, Artur
766 Gutenberg downloadsde2016
The automobile owner's guide
Scholl, Frank B.
766 Gutenberg downloadsen2022Difficulty 63 (Academic)
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)
765 Gutenberg downloadsen2019Difficulty 95 (Quantum Electrodynamics)
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)
764 Gutenberg downloadsen2015Difficulty 68 (Academic)
The Condition and Tendencies of Technical Education in Germany
Chamberlain, Arthur Henry
764 Gutenberg downloadsen2008Difficulty 61 (Academic)
Elevator Systems of the Eiffel Tower, 1889
Vogel, Robert M.
762 Gutenberg downloadsen2010Difficulty 63 (Academic)
Tube, Train, Tram, and Car; or, Up-to-date locomotion
Beavan, Arthur H. (Arthur Henry)
760 Gutenberg downloadsen2017Difficulty 62 (Academic)
James B. Eads
How, Louis
758 Gutenberg downloadsen2008Difficulty 52 (Graduate)
A Catechism of the Steam Engine
Bourne, John, C. E.
757 Gutenberg downloadsen2004Difficulty 57 (Graduate)
Great Inventions and Discoveries
Piercy, Willis Duff
757 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Opportunities in Engineering
Horton, Charles M. (Charles Marcus)
757 Gutenberg downloadsen2008Difficulty 56 (Graduate)
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
754 Gutenberg downloadsen2005Difficulty 49 (College)
Self-Help Mechanical Drawing: An Educational Treatise
Hawkins, N. (Nehemiah)
752 Gutenberg downloadsen2022Difficulty 59 (Graduate)
The Use of Ropes and Tackle
Dana, Homer J. (Homer Jackson) & Pearl, W. A. (William Armour)
751 Gutenberg downloadsen2018Difficulty 44 (College)
Two Centuries of Shipbuilding by the Scotts at Greenock
Scotts' Shipbuilding & Engineering Co. Ltd.
751 Gutenberg downloadsen2017Difficulty 56 (Graduate)
Mechanics of the Household A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances
Keene, E. S. (Edward Spencer)
750 Gutenberg downloadsen2016Difficulty 65 (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)
749 Gutenberg downloadsen2018Difficulty 53 (Graduate)
The Life of Thomas Telford, Civil Engineer With an Introductory History of Roads and Travelling in Great Britain
Smiles, Samuel
749 Gutenberg downloadsen1997Difficulty 70 (Academic)
The Recent Revolution in Organ Building Being an Account of Modern Developments
Miller, George Laing
749 Gutenberg downloadsen2007Difficulty 54 (Graduate)
The Radio Amateur's Hand Book A Complete, Authentic and Informative Work on Wireless Telegraphy and Telephony
Collins, A. Frederick (Archie Frederick)
748 Gutenberg downloadsen2004Difficulty 63 (Academic)
Handbook for Light Artillery
Dyer, A. B. (Alexander Brydie)
747 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Opportunities in Aviation
Sweetser, Arthur & Lamont, Gordon
746 Gutenberg downloadsen2007Difficulty 58 (Graduate)
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)
745 Gutenberg downloadsen2021Difficulty 67 (Academic)
A handbook of laboratory glass-blowing
Bolas, Bernard D. (Bernard Dell)
744 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Stories of Inventors: The Adventures of Inventors and Engineers
Doubleday, Russell
744 Gutenberg downloadsen2004Difficulty 64 (Academic)
El Proyecto Gutenberg (1971-2009)
Lebert, Marie
743 Gutenberg downloadses2010
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
743 Gutenberg downloadsen2010Difficulty 62 (Academic)
Tunneling: A Practical Treatise.
Prelini, Charles
741 Gutenberg downloadsen2019Difficulty 54 (Graduate)
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
740 Gutenberg downloadsen1997Difficulty 56 (Graduate)
Papierprüfung: Eine Anleitung zum Untersuchen von Papier
Herzberg, Wilhelm
739 Gutenberg downloadsde2019
Philipp Reis: Inventor of the Telephone A Biographical Sketch
Thompson, Silvanus P. (Silvanus Phillips)
738 Gutenberg downloadsen2018Difficulty 59 (Graduate)
Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Bergen Hill Tunnels. Paper No. 1154
Lavis, F.
736 Gutenberg downloadsen2007Difficulty 45 (College)
Chats on Old Clocks
Hayden, Arthur
734 Gutenberg downloadsen2014Difficulty 57 (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
734 Gutenberg downloadsen2020Difficulty 73 (Expert)
John Deere's Steel Plow
Kendall, Edward C.
732 Gutenberg downloadsen2010Difficulty 51 (Graduate)
The Dawn of Amateur Radio in the U.K. and Greece: A Personal View
Joly, Norman F.
732 Gutenberg downloadsen1993Difficulty 59 (Graduate)
The Rare Earths: Their Occurrence, Chemistry, and Technology
Levy, Stanley Isaac
732 Gutenberg downloadsen2020Difficulty 63 (Academic)
Photographic Reproduction Processes
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730 Gutenberg downloadsen2007Difficulty 65 (Academic)
Automobiles
Zerbe, James Slough
729 Gutenberg downloadsen2024Difficulty 52 (Graduate)
Straw Hats: Their history and manufacture
Inwards, Harry
729 Gutenberg downloadsen2015Difficulty 56 (Graduate)
Rudimentary Treatise on the Construction of Locks
Hobbs, A. C. & Dodd, George
728 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Electric Transmission of Water Power
Adams, Alton D. (Alton Dermont)
726 Gutenberg downloadsen2015Difficulty 61 (Academic)
The Principles of Leather Manufacture
Procter, H. R. (Henry Richardson)
726 Gutenberg downloadsen2018Difficulty 74 (Expert)
Airplane Photography
Ives, Herbert Eugene
724 Gutenberg downloadsen2016Difficulty 58 (Graduate)
Mechanical Devices in the Home
Allen, Edith
719 Gutenberg downloadsen2014Difficulty 43 (College)
Farm Mechanics: Machinery and Its Use to Save Hand Labor on the Farm.
Shearer, Herbert A.
717 Gutenberg downloadsen2012Difficulty 42 (College)
La Navigation Aérienne L'aviation Et La Direction Des Aérostats Dans Les Temps Anciens Et Modernes
Tissandier, Gaston
717 Gutenberg downloadsfr2009
Nature's Teachings: Human Invention Anticipated by Nature
Wood, J. G. (John George)
717 Gutenberg downloadsen2016Difficulty 51 (Graduate)
On-Line Data-Acquisition Systems in Nuclear Physics, 1969
National Research Council (U.S.). Ad Hoc Panel on On-line Computers in Nuclear Research
716 Gutenberg downloadsen2013Difficulty 64 (Academic)
Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc.
American School of Correspondence
714 Gutenberg downloadsen2010Difficulty 76 (Expert)
Principles and Practice of Fur Dressing and Fur Dyeing
Austin, William E.
713 Gutenberg downloadsen2013Difficulty 50 (College)
Twentieth Century Inventions: A Forecast
Sutherland, George
713 Gutenberg downloadsen2010Difficulty 70 (Academic)
Railway Construction
Mills, William Hemingway
711 Gutenberg downloadsen2015Difficulty 64 (Academic)
Building with Logs
Fickes, Clyde P. & Groben, W. Ellis (William Ellis)
710 Gutenberg downloadsen2019Difficulty 48 (College)
Harper's New Monthly Magazine, Volume 2, No. 12, May, 1851.
Various
710 Gutenberg downloadsen2010Difficulty 55 (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)
710 Gutenberg downloadsen2015Difficulty 75 (Expert)
My Airships; The Story of My Life
Santos-Dumont, Alberto
710 Gutenberg downloadsen2013Difficulty 43 (College)
Pumps and Hydraulics, Part 1 (of 2)
Hawkins, N. (Nehemiah)
706 Gutenberg downloadsen2018Difficulty 50 (College)
The Blacksmith in Eighteenth-Century Williamsburg An Account of His Life & Times and of His Craft
Gill, Harold B.
706 Gutenberg downloadsen2018Difficulty 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
705 Gutenberg downloadsen2017Difficulty 51 (Graduate)
The Railway Conquest of the World
Talbot, Frederick Arthur Ambrose
703 Gutenberg downloadsen2021Difficulty 65 (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)
702 Gutenberg downloadsen2015Difficulty 60 (Graduate)
The Library of Work and Play: Working in Metals
Sleffel, Charles Conrad
702 Gutenberg downloadsen2014Difficulty 33 (High School)
Animal Proteins
Bennett, Hugh Garner
701 Gutenberg downloadsen2012Difficulty 57 (Graduate)
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
701 Gutenberg downloadsen2016Difficulty 59 (Graduate)
A New Century of Inventions Being Designs & Descriptions of One Hundred Machines, Relating to Arts, Manufactures, & Domestic Life
White, James (Civil engineer)
700 Gutenberg downloadsen2013Difficulty 57 (Graduate)
Industrial Arts Design A Textbook of Practical Methods for Students, Teachers, and Craftsmen
Varnum, William H. (William Harrison)
695 Gutenberg downloadsen2013Difficulty 62 (Academic)
The Curtiss Aviation Book
Curtiss, Glenn Hammond & Post, Augustus
695 Gutenberg downloadsen2021Difficulty 54 (Graduate)
Essays on the Microscope Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc.
Adams, George
692 Gutenberg downloadsen2020Difficulty 62 (Academic)
The model village and its cottages : $b Bournville
Harvey, William Alexander
690 Gutenberg downloadsen2024Difficulty 56 (Graduate)
Earthwork Slips and Subsidences upon Public Works Their Causes, Prevention, and Reparation
Newman, John
688 Gutenberg downloadsen2017Difficulty 67 (Academic)
The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association
Smith, Watson
686 Gutenberg downloadsen2006Difficulty 57 (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)
685 Gutenberg downloadsen2016Difficulty 60 (Graduate)
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United States. Marine Corps
684 Gutenberg downloadsen2025Difficulty 63 (Academic)
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)
682 Gutenberg downloadsen2016Difficulty 91 (Quantum Electrodynamics)
Pumps and Hydraulics, Part 2 (of 2)
Hawkins, N. (Nehemiah)
680 Gutenberg downloadsen2018Difficulty 56 (Graduate)
The Story of the Pullman Car
Husband, Joseph
680 Gutenberg downloadsen2014Difficulty 61 (Academic)
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679 Gutenberg downloadsen2015Difficulty 50 (College)
LRL Accelerators, The 184-Inch Synchrocyclotron
Lawrence Radiation Laboratory
677 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Modern Cotton Spinning Machinery, Its Principles and Construction
Nasmith, Joseph
676 Gutenberg downloadsen2018Difficulty 53 (Graduate)
The Dominion of the Air: The Story of Aerial Navigation
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676 Gutenberg downloadsen1997Difficulty 56 (Graduate)
The Story of the Atlantic Cable
Bright, Charles, Sir
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Unknown
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The Municipal and Sanitary Engineer's Handbook
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672 Gutenberg downloadsen2017Difficulty 74 (Expert)
The Scholfield Wool-Carding Machines
Cooper, Grace Rogers
672 Gutenberg downloadsen2008Difficulty 55 (Graduate)
The Panama Canal: A history and description of the enterprise
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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
670 Gutenberg downloadsen2011Difficulty 46 (College)
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Morgan, Alfred Powell
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Unknown
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Invention: The Master-key to Progress
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663 Gutenberg downloadsen2013Difficulty 67 (Academic)
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.
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Modern shipbuilding and the men engaged in it
Pollock, David
662 Gutenberg downloadsen2024Difficulty 68 (Academic)
Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
662 Gutenberg downloadsen2006Difficulty 56 (Graduate)
Jacquard Weaving and Designing
Bell, T. F.
660 Gutenberg downloadsen2016Difficulty 50 (College)
Steam Engines
Anonymous
660 Gutenberg downloadsen2010Difficulty 54 (Graduate)
The Bridge-Builders
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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
660 Gutenberg downloadsen2021Difficulty 57 (Graduate)
Der Weltverkehr Telegraphie und Post, Eisenbahnen und Schiffahrt, in ihrer Entwickelung dargestellt
Geistbeck, Michael
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Farm Engines and How to Run Them: The Young Engineer's Guide
Stephenson, James H.
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Makers of Many Things
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A Course In Wood Turning
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Boys' second book of inventions
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The story of the invention of steel pens : $b with a description of the manufacturing process by which they are produced
Bore, Henry
655 Gutenberg downloadsen2006Difficulty 49 (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
653 Gutenberg downloadsen2018Difficulty 62 (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
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652 Gutenberg downloadsen2011Difficulty 66 (Academic)
Steam Shovels and Steam Shovel Work
Hermann, Edward Adolph
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The Wright Brothers' Engines and Their Design
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652 Gutenberg downloadsen2012Difficulty 68 (Academic)
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
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652 Gutenberg downloadsen2006Difficulty 66 (Academic)
The eBook is 40 (1971-2011)
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650 Gutenberg downloadsen2011Difficulty 63 (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
648 Gutenberg downloadsen2022Difficulty 68 (Academic)
Sewerage and Sewage Treatment
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646 Gutenberg downloadsen2020Difficulty 58 (Graduate)
The Boy's Book of Industrial Information
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646 Gutenberg downloadsen2015Difficulty 64 (Academic)
Ford Manual for Owners and Operators of Ford Cars and Trucks (1919)
Ford Motor Company
645 Gutenberg downloadsen2014Difficulty 49 (College)
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)
644 Gutenberg downloadsen2018Difficulty 40 (High School)
À terre & en l'air... Mémoires du Géant
Nadar, Félix
643 Gutenberg downloadsfr2009
Omnibuses and cabs : $b their origin and history
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641 Gutenberg downloadsen2024Difficulty 68 (Academic)
On the Development and Distribution of Primitive Locks and Keys
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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
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Account of the Skerryvore lighthouse : $b with notes on the illumination of lighthouses
Stevenson, Alan
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636 Gutenberg downloadsen2013Difficulty 78 (Expert)
Introduction of the Locomotive Safety Truck Contributions from the Museum of History and Technology: Paper 24
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H. G. Hawker, airman: his life and work
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634 Gutenberg downloadsen2021Difficulty 67 (Academic)
On Laboratory Arts
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633 Gutenberg downloadsen2016Difficulty 64 (Academic)
Paint Technology and Tests
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632 Gutenberg downloadsen2011Difficulty 56 (Graduate)
Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
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The Practical Values of Space Exploration Report of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-Sixth Congress, Second Session
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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)
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Building and Flying an Aeroplane A practical handbook covering the design, construction, and operation of aeroplanes and gliders
Hayward, Charles B. (Charles Brian)
628 Gutenberg downloadsen2020Difficulty 51 (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)
627 Gutenberg downloadsen2015Difficulty 67 (Academic)
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)
626 Gutenberg downloadsen2025Difficulty 56 (Graduate)
ABC of the steel square and its uses
Hodgson, Fred T. (Frederick Thomas)
623 Gutenberg downloadsen2015Difficulty 49 (College)
Aircraft : $b its development in war and peace and its commercial future
David, Evan John
623 Gutenberg downloadsen2024Difficulty 61 (Academic)
Report on the Department of Ports and Harbours for the Year 1890-91
Australia. Queensland. Department of Ports and Harbours
621 Gutenberg downloadsen2008Difficulty 56 (Graduate)
Rat Proofing Buildings and Premises
Silver, James & Betts, M. C. (Morris Cotgrave) & Crouch, W. E. (Winney Elmer)
620 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Measuring Tools
Unknown
618 Gutenberg downloadsen2013Difficulty 55 (Graduate)
The Classification of Patents
United States. Patent Office
618 Gutenberg downloadsen2007Difficulty 65 (Academic)
The Romance of Aircraft
Smith, Laurence Yard
618 Gutenberg downloadsen2012Difficulty 52 (Graduate)
Non-technical chats on iron and steel, and their application to modern industry
Spring, La Verne W. (La Verne Ward)
617 Gutenberg downloadsen2024Difficulty 58 (Graduate)
Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
617 Gutenberg downloadsen2009Difficulty 52 (Graduate)
Water Supply: the Present Practice of Sinking and Boring Wells With Geological Considerations and Examples of Wells Executed
Spon, Ernest
615 Gutenberg downloadsen2014Difficulty 64 (Academic)
The Story of the Atlantic Telegraph
Field, Henry M. (Henry Martyn)
614 Gutenberg downloadsen2010Difficulty 50 (College)
American Rural Highways
Agg, T. R. (Thomas Radford)
611 Gutenberg downloadsen2009Difficulty 74 (Expert)
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.
611 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Rock Blasting A Practical Treatise on the Means Employed in Blasting Rocks for Industrial Purposes
André, George G. (George Guillaume)
611 Gutenberg downloadsen2017Difficulty 50 (College)
L'A. B. C. de l'aviation: Biplans et monoplans
Gastine, Louis
610 Gutenberg downloadsfr2010
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)
609 Gutenberg downloadsen2015Difficulty 65 (Academic)
How To Build A 20-Foot Bi-Plane Glider
Morgan, Alfred Powell
609 Gutenberg downloadsen2020Difficulty 47 (College)
The Atlantic Telegraph (1865)
Russell, William Howard, Sir
609 Gutenberg downloadsen2012Difficulty 62 (Academic)
The Useful Arts Employed in the Construction of Dwelling Houses. Second Edition
Anonymous
609 Gutenberg downloadsen2022Difficulty 65 (Academic)
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
608 Gutenberg downloadsen2015Difficulty 62 (Academic)
Leather: From the Raw Material to the Finished Product
Adcock, K. J.
607 Gutenberg downloadsen2013Difficulty 59 (Graduate)
Origin of modern calculating machines
Turck, J. A. V.
607 Gutenberg downloadsen2022Difficulty 63 (Academic)
Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
607 Gutenberg downloadsen2005Difficulty 59 (Graduate)
The slide rule : $b a practical manual
Pickworth, Charles N. (Charles Newton)
606 Gutenberg downloadsen2025Difficulty 55 (Graduate)
American Inventions and Inventors
Mowry, William A. (William Augustus) & Mowry, Arthur May
605 Gutenberg downloadsen2014Difficulty 43 (College)
British Manufacturing Industries: Pottery, Glass and Silicates, Furniture and Woodwork.
Arnoux, Léon & Barff, Frederick Settle & Pollen, John Hungerford
604 Gutenberg downloadsen2012Difficulty 68 (Academic)
Hemp Hurds as Paper-Making Material
Dewey, Lyster H. (Lyster Hoxie) & Merrill, Jason L.
603 Gutenberg downloadsen2006Difficulty 59 (Graduate)
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.
603 Gutenberg downloadsen2023Difficulty 50 (College)
The Pioneer Steamship Savannah: A Study for a Scale Model United States National Museum Bulletin 228, 1961, pages 61-80
Chapelle, Howard Irving
603 Gutenberg downloadsen2008Difficulty 56 (Graduate)
Nautical Charts
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602 Gutenberg downloadsen2013Difficulty 56 (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)
602 Gutenberg downloadsen2023Difficulty 67 (Academic)
The Birth and Babyhood of the Telephone
Watson, Thomas Augustus
601 Gutenberg downloadsen2017Difficulty 53 (Graduate)
The Valuation of Public Service Corporation Property Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911, ASCE 1190
Riggs, Henry Earle
601 Gutenberg downloadsen2016Difficulty 70 (Academic)
The Radio Amateur's Hand Book A Complete, Authentic and Informative Work on Wireless Telegraphy and Telephony
Collins, A. Frederick (Archie Frederick)
600 Gutenberg downloadsen2004Difficulty 63 (Academic)
Pyrotechnics: The History and Art of Firework Making
Brock, Alan St. H. (Alan St. Hill)
597 Gutenberg downloadsen2021Difficulty 62 (Academic)
A Manual of Shoemaking and Leather and Rubber Products
Dooley, William H. (William Henry)
596 Gutenberg downloadsen2017Difficulty 50 (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
596 Gutenberg downloadsfr2008
Microscopes and Accessory Apparatus: Catalogue No. 40
Leitz, Ernst
596 Gutenberg downloadsen2011Difficulty 61 (Academic)
Slipstream: the autobiography of an air craftsman
Wilson, Eugene E.
596 Gutenberg downloadsen2023Difficulty 62 (Academic)
History of Sanitation
Cosgrove, J. J. (John Joseph)
594 Gutenberg downloadsen2015Difficulty 66 (Academic)
Oxy-acetylene welding manual
Campbell, Lorn
593 Gutenberg downloadsen2024Difficulty 56 (Graduate)
Instruction for Using a Slide Rule
Stanley, W.
592 Gutenberg downloadsen2006Difficulty 38 (High School)
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)
590 Gutenberg downloadsen2015Difficulty 71 (Expert)
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)
590 Gutenberg downloadsen2015Difficulty 73 (Expert)
Scientific American Supplement, No. 488, May 9, 1885
Various
590 Gutenberg downloadsen2008Difficulty 50 (College)
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)
589 Gutenberg downloadsen2018Difficulty 50 (College)
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)
588 Gutenberg downloadsen2014Difficulty 56 (Graduate)
The First Airplane Diesel Engine: Packard Model DR-980 of 1928
Meyer, Robert B.
588 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Scientific American Architects and Builders Edition, No. 26, Dec., 1887
Various
587 Gutenberg downloadsen2016Difficulty 53 (Graduate)
On Naval Timber and Arboriculture With Critical Notes on Authors who have Recently Treated the Subject of Planting
Matthew, Patrick
586 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The filtration of public water-supplies Third edition, revised and enlarged.
Hazen, Allen
586 Gutenberg downloadsen2022Difficulty 66 (Academic)
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
583 Gutenberg downloadsen2013Difficulty 68 (Academic)
Scientific American Supplement No. 819, September 12, 1891
Various
583 Gutenberg downloadsen2005Difficulty 59 (Graduate)
Triumphs of Invention and Discovery in Art and Science
Fyfe, J. Hamilton (James Hamilton)
583 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Fences, Gates and Bridges: A Practical Manual
Unknown
582 Gutenberg downloadsen2018Difficulty 45 (College)
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
582 Gutenberg downloadsen2007Difficulty 54 (Graduate)
The Invention of Lithography
Senefelder, Alois
581 Gutenberg downloadsen2012Difficulty 60 (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.
580 Gutenberg downloadsen2011Difficulty 66 (Academic)
Scientific American Supplement, No. 447, July 26, 1884
Various
580 Gutenberg downloadsen2005Difficulty 53 (Graduate)
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.
579 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Stories of Invention, Told by Inventors and their Friends
Hale, Edward Everett
579 Gutenberg downloadsen2012Difficulty 44 (College)
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
579 Gutenberg downloadsen2017Difficulty 55 (Graduate)
The violin and the art of its construction: a treatise on the Stradivarius violin
Riechers, August
579 Gutenberg downloadsen2022Difficulty 48 (College)
Aeroplane Construction and Operation
Rathbun, John B.
576 Gutenberg downloadsen2020Difficulty 57 (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
576 Gutenberg downloadsen2021Difficulty 72 (Expert)
The Wright Brothers
Anonymous
576 Gutenberg downloadsen2021Difficulty 51 (Graduate)
Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine
Anderson, Frederick Irving
574 Gutenberg downloadsen2008Difficulty 56 (Graduate)
Locomotive Engine Running and Management
Sinclair, Angus
573 Gutenberg downloadsen2020Difficulty 57 (Graduate)
NREN for All: Insurmountable Opportunity
Polly, Jean Armour
573 Gutenberg downloadsen1993Difficulty 64 (Academic)
The Atlantic Monthly, Volume 02, No. 13, November, 1858 A Magazine of Literature, Art, and Politics
Various
573 Gutenberg downloadsen2004Difficulty 63 (Academic)
Scientific American Supplement, No. 365, December 30, 1882
Various
572 Gutenberg downloadsen2006Difficulty 57 (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
571 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Gas and Petroleum Engines
Graffigny, H. de (Henry)
571 Gutenberg downloadsen2019Difficulty 57 (Graduate)
The telephone, the microphone & the phonograph
Du Moncel, Th., comte
571 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)
571 Gutenberg downloadsen2006Difficulty 61 (Academic)
Model aeroplanes The building of model monoplanes, biplanes, etc., together with a chapter on building a model airship
Camm, F. J. (Frederick James)
570 Gutenberg downloadsen2022Difficulty 50 (College)
Moxon's mechanick exercises, volume 1 (of 2) : $b The doctrine of handy-works applied to the art of printing
Moxon, Joseph
569 Gutenberg downloadsen2023Difficulty 61 (Academic)
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
568 Gutenberg downloadsen2019Difficulty 53 (Graduate)
The colored inventor : $b a record of fifty years
Baker, Henry E. (Henry Edwin)
567 Gutenberg downloadsen2007Difficulty 69 (Academic)
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
567 Gutenberg downloadsen2005Difficulty 48 (College)
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
566 Gutenberg downloadsen2020Difficulty 70 (Academic)
Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to April, 1900
Various
565 Gutenberg downloadsen2014Difficulty 58 (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)
565 Gutenberg downloadsen2021Difficulty 55 (Graduate)
Practical Organ Building
Dickson, W. E. (William Edward)
565 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
565 Gutenberg downloadsen2012Difficulty 60 (Graduate)
The A B C of Mining: A Handbook for Prospectors
Bramble, Charles A.
565 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Scientific American Supplement, No. 360, November 25, 1882
Various
564 Gutenberg downloadsen2005Difficulty 55 (Graduate)
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
564 Gutenberg downloadsen2019Difficulty 62 (Academic)
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)
560 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Steam, Steel and Electricity
Steele, James W.
560 Gutenberg downloadsen2005Difficulty 50 (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)
560 Gutenberg downloadsen2008Difficulty 67 (Academic)
Motor-car principles; the gasoline automobile
Whitman, Roger B. (Roger Bradbury)
559 Gutenberg downloadsen2023Difficulty 66 (Academic)
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.)
559 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Minimum Gauge Railways
Heywood, Arthur Percival, Sir, bart.
558 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Scientific American Supplement, No. 1178, June 25, 1898
Various
558 Gutenberg downloadsen2006Difficulty 57 (Graduate)
Engineer Port Repair Ship
United States. War Department
557 Gutenberg downloadsen2018Difficulty 55 (Graduate)
Motors
Zerbe, James Slough
555 Gutenberg downloadsen2013Difficulty 47 (College)
The Popular Science Monthly, September, 1900 Vol. 57, May, 1900 to October, 1900
Various
555 Gutenberg downloadsen2014Difficulty 77 (Expert)
The romance of the Canadian Pacific Railway
MacBeth, R. G. (Roderick George)
555 Gutenberg downloadsen2022Difficulty 61 (Academic)
The Silversmith's Handbook Containing full instructions for the alloying and working of silver
Gee, George E. (George Edward)
555 Gutenberg downloadsen2014Difficulty 59 (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
554 Gutenberg downloadsen2004Difficulty 55 (Graduate)
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
554 Gutenberg downloadsen2020Difficulty 49 (College)
Concrete Construction for the Home and the Farm
Atlas Portland Cement Company
552 Gutenberg downloadsen2020Difficulty 53 (Graduate)
Dirigible Balloons
Hayward, Charles B. (Charles Brian)
552 Gutenberg downloadsen2020Difficulty 57 (Graduate)
History of Steam on the Erie Canal
Anonymous
552 Gutenberg downloadsen2006Difficulty 55 (Graduate)
Mariner Mission to Venus
Jet Propulsion Laboratory (U.S.)
552 Gutenberg downloadsen2017Difficulty 64 (Academic)
Scientific American Supplement, No. 799, April 25, 1891
Various
552 Gutenberg downloadsen2004Difficulty 50 (College)
Scientific American, Volume 56, No. 9, February 26, 1887
Various
551 Gutenberg downloadsen2015Difficulty 54 (Graduate)
Electric Bells and All About Them: A Practical Book for Practical Men
Bottone, Selimo Romeo
550 Gutenberg downloadsen2012Difficulty 51 (Graduate)
Some Mooted Questions in Reinforced Concrete Design American Society of Civil Engineers, Transactions, Paper No. 1169, Volume LXX, Dec. 1910
Godfrey, Edward
549 Gutenberg downloadsen2005Difficulty 54 (Graduate)
The stereoscope : $b its history, theory, and construction, with its application to the fine and useful arts and to education
Brewster, David
549 Gutenberg downloadsen2023Difficulty 59 (Graduate)
Economy of the Round Dairy Barn
Fraser, Wilber J. (Wilber John)
548 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Every-day Science: Volume 7. The Conquest of Time and Space
Williams, Henry Smith & Williams, Edward Huntington
548 Gutenberg downloadsen2013Difficulty 57 (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
548 Gutenberg downloadsen2011Difficulty 62 (Academic)
Getting Gold: A Practical Treatise for Prospectors, Miners and Students
Johnson, J. C. F. (Joseph Colin Francis)
548 Gutenberg downloadsen2006Difficulty 60 (Graduate)
Carpentry
Griffith, Ira Samuel
547 Gutenberg downloadsen2023Difficulty 46 (College)
Little Masterpieces of Science: Invention and Discovery
Unknown
547 Gutenberg downloadsen2009Difficulty 60 (Graduate)
Printing Telegraphy... A New Era Begins
Kleinschmidt, Edward E.
546 Gutenberg downloadsen2016Difficulty 66 (Academic)
Scientific American Supplement, No. 392, July 7, 1883
Various
545 Gutenberg downloadsen2005Difficulty 63 (Academic)
Scientific American Supplement, No. 508, September 26, 1885
Various
545 Gutenberg downloadsen2005Difficulty 49 (College)
The American Electro Magnetic Telegraph With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism
Vail, Alfred
544 Gutenberg downloadsen2020Difficulty 61 (Academic)
The Chickamauga Dam and its environs
Walker, Robert Sparks
544 Gutenberg downloadsen2023Difficulty 54 (Graduate)
The Passaic Flood of 1903
Leighton, Marshall Ora
544 Gutenberg downloadsen2006Difficulty 41 (College)
Scott Greenwood and Co. Catalogue of Special Technical Works, 1903 For Manufacturers, Students, and Technical Schools, by Expert Writers
Scott, Greenwood & Co.
543 Gutenberg downloadsen2013Difficulty 86 (Specialist)
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.
543 Gutenberg downloadsen2013Difficulty 47 (College)
Inventors
Hubert, Philip Gengembre
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Rockets, Missiles, and Spacecraft of the National Air and Space Museum, Smithsonian Institution
Murphy, Lynne C.
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Friction, Lubrication and the Lubricants in Horology
Lewis, W. T. (William T.)
540 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Scientific American Supplement, No. 647, May 26, 1888
Various
539 Gutenberg downloadsen2008Difficulty 58 (Graduate)
The Romance of Industry and Invention
Unknown
539 Gutenberg downloadsen2011Difficulty 67 (Academic)
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)
538 Gutenberg downloadsen2015Difficulty 47 (College)
Obed Hussey, Who, of All Inventors, Made Bread Cheap
Unknown
538 Gutenberg downloadsen2006Difficulty 54 (Graduate)
The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action
Dolbear, A. E. (Amos Emerson)
538 Gutenberg downloadsen2010Difficulty 60 (Graduate)
The Train Wire: A Discussion of the Science of Train Dispatching (Second Edition)
Anderson, John Alexander
538 Gutenberg downloadsen2016Difficulty 64 (Academic)
Artificial Limbs
Broca, Auguste & Ducroquet, Charles
536 Gutenberg downloadsen2017Difficulty 62 (Academic)
Photo-engraving, Photo-etching and Photo-lithography in Line and Half-tone Also Collotype and Heliotype
Wilkinson, W. T.
536 Gutenberg downloadsen2016Difficulty 53 (Graduate)
The 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
535 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Le Dictionnaire du NEF
Lebert, Marie
534 Gutenberg downloadsfr2008
Manual for submarine mining
United States. War Department
534 Gutenberg downloadsen2024Difficulty 45 (College)
Scientific American Supplement, No. 520, December 19, 1885
Various
534 Gutenberg downloadsen2004Difficulty 56 (Graduate)
The Steam Fire Engine and the Old-time Fire Bell
Anonymous
534 Gutenberg downloadsen2021Difficulty 55 (Graduate)
Aircraft in war
Bruce, Eric Stuart
533 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Letters of a Radio-Engineer to His Son
Mills, John
533 Gutenberg downloadsen2009Difficulty 47 (College)
Scientific American Supplement, No. 561, October 2, 1886
Various
533 Gutenberg downloadsen2005Difficulty 50 (College)
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
533 Gutenberg downloadsen2006Difficulty 48 (College)
Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 A Concrete Water Tower, Paper No. 1173
Kempkey, A.
533 Gutenberg downloadsen2006Difficulty 45 (College)
Artificial and Natural Flight
Maxim, Hiram S. (Hiram Stevens)
532 Gutenberg downloadsen2014Difficulty 53 (Graduate)
Chambers's Edinburgh Journal, No. 455 Volume 18, New Series, September 18, 1852
Various
532 Gutenberg downloadsen2007Difficulty 63 (Academic)
Invention and Discovery: Curious Facts and Characteristic Sketches
Anonymous
532 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Scientific American Supplement, No. 711, August 17, 1889
Various
532 Gutenberg downloadsen2005Difficulty 61 (Academic)
The Miner's Friend; Or, An Engine to Raise Water by Fire
Savery, Thomas
532 Gutenberg downloadsen2014Difficulty 66 (Academic)
Tractor Principles The Action, Mechanism, Handling, Care, Maintenance and Repair of the Gas Engine Tractor
Whitman, Roger B. (Roger Bradbury)
532 Gutenberg downloadsen2022Difficulty 60 (Graduate)
A History of Aeronautics
Vivian, Evelyn Charles & Marsh, W. Lockwood (William Lockwood)
531 Gutenberg downloadsen2018Difficulty 60 (Graduate)
Hertzian Wave Wireless Telegraphy
Fleming, J. A. (John Ambrose), Sir
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The Story of the Airship (Non-rigid) A Study of One of America's Lesser Known Defense Weapons
Allen, Hugh
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Records of Steam Boiler Explosions
Marten, Edward Bindon
530 Gutenberg downloadsen2014Difficulty 61 (Academic)
Scientific American Supplement, No. 620, November 19,1887
Various
530 Gutenberg downloadsen2005Difficulty 57 (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
530 Gutenberg downloadsen2012Difficulty 57 (Graduate)
The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
Various
530 Gutenberg downloadsen2014Difficulty 75 (Expert)
IBM 1401 Programming Systems
Anonymous
528 Gutenberg downloadsen2008Difficulty 71 (Expert)
Le Téléphone, le Microphone et le Phonographe
Du Moncel, Th., comte
528 Gutenberg downloadsfr2008
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)
527 Gutenberg downloadsen2022Difficulty 56 (Graduate)
Survival at Altitude for Heavy and Very Heavy Bomber Crews
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Ball, John
525 Gutenberg downloadsen2025Difficulty 67 (Academic)
Scientific American Supplement, No. 643, April 28, 1888
Various
525 Gutenberg downloadsen2005Difficulty 65 (Academic)
An ice cream laboratory guide
Fisk, W. W. (Walter Warner) & Ellenberger, H. B. (Howard Bowman)
524 Gutenberg downloadsen2025Difficulty 49 (College)
The story of paper-making : $b an account of paper-making from its earliest known record down to the present time
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523 Gutenberg downloadsen2018Difficulty 60 (Graduate)
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522 Gutenberg downloadsen2024Difficulty 66 (Academic)
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522 Gutenberg downloadsen2023Difficulty 47 (College)
Scientific American Supplement, No. 586, March 26, 1887
Various
522 Gutenberg downloadsen2004Difficulty 51 (Graduate)
The Theory and Practice of Model Aeroplaning
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522 Gutenberg downloadsen2012Difficulty 51 (Graduate)
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Practicus
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Fritz, Georg
520 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Scientific American Supplement, No. 598, June 18, 1887
Various
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Aeroplane construction : $b A handbook on the various methods and details of construction employed in the building of aeroplanes
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Great Facts A Popular History and Description of the Most Remarkable Inventions During the Present Century
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519 Gutenberg downloadsen2014Difficulty 65 (Academic)
Laboratory Manual of Glass-Blowing
Frary, Francis C. (Francis Cowles)
519 Gutenberg downloadsen2009Difficulty 55 (Graduate)
Type Cases and Composing-room Furniture A Primer of Information About Type Cases, Work Stands, Cabinets, Case Racks, Galley Racks, Standing Galleys, &c.
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519 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Putnam's Automobile Handbook: The Care and Management of the Modern Motor-Car
Brokaw, H. Clifford (Harry Clifford) & Starr, Charles A. (Charles Ackerman)
518 Gutenberg downloadsen2021Difficulty 51 (Graduate)
A Treatise on Staff Making and Pivoting Containing Complete Directions for Making and Fitting New Staffs from the Raw Material
Hall, Eugene Edward
517 Gutenberg downloadsen2007Difficulty 53 (Graduate)
Deeds Barn and the Self Starter
Anonymous
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Life of Robert Stevenson, Civil Engineer
Stevenson, David
517 Gutenberg downloadsen2017Difficulty 64 (Academic)
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Googerty, Thomas F. (Thomas Francis)
516 Gutenberg downloadsen2022Difficulty 40 (High School)
The Boys' Book of Submarines
Collins, A. Frederick (Archie Frederick) & Collins, Virgil D. (Virgil Dewey)
516 Gutenberg downloadsen2015Difficulty 49 (College)
The Story of American Aviation
Ray, Jim
515 Gutenberg downloadsen2018Difficulty 52 (Graduate)
Engineers and their triumphs the story of the locomotive, the steamship, bridge building, tunnel making
Holmes, F. M. (Frederic Morell)
514 Gutenberg downloadsen2022Difficulty 47 (College)
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
514 Gutenberg downloadsen2005Difficulty 47 (College)
Genius rewarded : $b The story of the sewing machine
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513 Gutenberg downloadsen2025Difficulty 54 (Graduate)
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Rosenhain, Walter
513 Gutenberg downloadsen2016Difficulty 82 (Specialist)
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Blaney, Henry R.
513 Gutenberg downloadsen2011Difficulty 50 (College)
Scientific American Supplement, No. 288, July 9, 1881
Various
513 Gutenberg downloadsen2005Difficulty 58 (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
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513 Gutenberg downloadsen2010Difficulty 52 (Graduate)
Electric Gas Lighting: How to Install Electric Gas Ignition Apparatus
Norrie, H. S.
512 Gutenberg downloadsen2013Difficulty 54 (Graduate)
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Ogden, Henry N. (Henry Neely) & Cleveland, H. Burdett (Henry Burdett)
512 Gutenberg downloadsen2017Difficulty 62 (Academic)
Pressure, Resistance, and Stability of Earth American Society of Civil Engineers: Transactions, Paper No. 1174, Volume LXX, December 1910
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512 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Scientific American Supplement, No. 514, November 7, 1885
Various
512 Gutenberg downloadsen2004Difficulty 54 (Graduate)
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511 Gutenberg downloadsen2025Difficulty 68 (Academic)
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Schnauss, Julius
509 Gutenberg downloadsen2015Difficulty 63 (Academic)
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509 Gutenberg downloadsen2011Difficulty 45 (College)
Scientific American Supplement, No. 470, January 3, 1885
Various
509 Gutenberg downloadsen2004Difficulty 52 (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
508 Gutenberg downloadsen2012Difficulty 53 (Graduate)
The Aeroplane Speaks
Barber, H. (Horatio)
508 Gutenberg downloadsen1997Difficulty 48 (College)
The Sperry Gyro-Compass
Sperry Gyroscope Company
508 Gutenberg downloadsen2016Difficulty 55 (Graduate)
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.
508 Gutenberg downloadsen2006Difficulty 42 (College)
The Introduction of Self-Registering Meteorological Instruments
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507 Gutenberg downloadsen2010Difficulty 68 (Academic)
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507 Gutenberg downloadsen2024Difficulty 64 (Academic)
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506 Gutenberg downloadsen2008Difficulty 68 (Academic)
Manuel complet des fabricans de chapeaux en tous genres
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506 Gutenberg downloadsfr2006
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504 Gutenberg downloadsen2018Difficulty 47 (College)
From Xylographs to Lead Molds; A.D. 1440-A.D. 1921
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503 Gutenberg downloadsen2010Difficulty 59 (Graduate)
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503 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Scientific American Supplement, No. 446, July 19, 1884
Various
503 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co. Also, Facts and General Information Relating to Pneumatic Despatch Tubes
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503 Gutenberg downloadsen2020Difficulty 58 (Graduate)
A Treatise on Hat-Making and Felting Including a Full Exposition of the Singular Properties of Fur, Wool, and Hair
Thomson, John, hatter
501 Gutenberg downloadsen2014Difficulty 66 (Academic)
Handbuch der chemischen Technologie Achte Auflage
Wagner, Johannes Rudolf
501 Gutenberg downloadsde2018
Scientific American Supplement, No. 717, September 28, 1889
Various
501 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Signalling across space without wires being a description of the work of Hertz & his successors
Lodge, Oliver, Sir
501 Gutenberg downloadsen2022Difficulty 60 (Graduate)
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499 Gutenberg downloadsen2018Difficulty 67 (Academic)
Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 22, January, 1873
Various
499 Gutenberg downloadsen2004Difficulty 54 (Graduate)
The platinum metals
Lumb, Arthur Douglas
498 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Scientific American Supplement, No. 611, September 17, 1887
Various
496 Gutenberg downloadsen2005Difficulty 50 (College)
Home-made Toy Motors A practical handbook giving detailed instructions for building simple but operative electric motors
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495 Gutenberg downloadsen2020Difficulty 46 (College)
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
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495 Gutenberg downloadsen2020Difficulty 60 (Graduate)
Scientific American Supplement, No. 299, September 24, 1881
Various
495 Gutenberg downloadsen2005Difficulty 60 (Graduate)
The telephone : $b a lecture entitled Researches in electric telephony
Bell, Alexander Graham
495 Gutenberg downloadsen2017Difficulty 67 (Academic)
Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Site of the Terminal Station. Paper No. 1157
Clarke, George C.
495 Gutenberg downloadsen2006Difficulty 52 (Graduate)
Machines at Work
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494 Gutenberg downloadsen2017Difficulty 37 (High School)
Scientific American Supplement, No. 821, September 26, 1891
Various
494 Gutenberg downloadsen2004Difficulty 55 (Graduate)
'Return Loads' to Increase Transport Resources by Avoiding Waste of Empty Vehicle Running.
United States. Council of National Defense. Highways Transport Committee
493 Gutenberg downloadsen2006Difficulty 69 (Academic)
Scientific American Supplement, No. 1082, September 26, 1896
Various
493 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Les Merveilles de la Locomotion
Deharme, E. (Ernest)
492 Gutenberg downloadsfr2013
The Borghesi Astronomical Clock in the Museum of History and Technology Contributions from the Museum of History and Technology, Paper 35
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492 Gutenberg downloadsen2010Difficulty 68 (Academic)
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492 Gutenberg downloadsen2021Difficulty 63 (Academic)
British Canals: Is their resuscitation practicable?
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490 Gutenberg downloadsen2014Difficulty 68 (Academic)
From Paper-mill to Pressroom
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490 Gutenberg downloadsen2015Difficulty 60 (Graduate)
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490 Gutenberg downloadsen2023Difficulty 46 (College)
Scientific American Supplement, No. 484, April 11, 1885
Various
490 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Screw-Thread Cutting by the Master-Screw Method since 1480
Battison, Edwin A.
490 Gutenberg downloadsen2010Difficulty 59 (Graduate)
Shipbuilding from its beginnings. Vol. 2 (of 3)
Konijnenburg, E. van (Emile)
490 Gutenberg downloadsen2024Difficulty 57 (Graduate)
The hand-book of artillery
Roberts, Joseph
490 Gutenberg downloadsen2023Difficulty 45 (College)
The Microscope
Ross, Andrew
490 Gutenberg downloadsen2013Difficulty 65 (Academic)
Illustrated Catalogue of Locomotives; Baldwin Locomotive Works
Baldwin Locomotive Works
489 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Satellite Communications Physics
Unknown
489 Gutenberg downloadsen2020Difficulty 65 (Academic)
Electricity in Locomotion An Account of Its Mechanism, Its Achievements, and Its Prospects
Whyte, Adam Gowens
488 Gutenberg downloadsen2016Difficulty 62 (Academic)
From trail to railway through the Appalachians
Brigham, Albert Perry
488 Gutenberg downloadsen2023Difficulty 45 (College)
The Details of the Rocket System
Congreve, William, Sir
488 Gutenberg downloadsen2018Difficulty 67 (Academic)
Scientific American Supplement, No. 315, January 14, 1882
Various
487 Gutenberg downloadsen2006Difficulty 63 (Academic)
Automata Old and New
Cooke, Conrad William
486 Gutenberg downloadsen2017Difficulty 62 (Academic)
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486 Gutenberg downloadsen2020Difficulty 46 (College)
Scientific American Supplement, No. 613, October 1, 1887
Various
486 Gutenberg downloadsen2005Difficulty 63 (Academic)
Scientific American Supplement, No. 795, March 28, 1891
Various
484 Gutenberg downloadsen2004Difficulty 62 (Academic)
The Gunner's Examiner
Cloke, Harold E. (Harold Edward)
484 Gutenberg downloadsen2015Difficulty 56 (Graduate)
The Solution of the Pyramid Problem; or, Pyramid Discoveries With a New Theory as to their Ancient Use
Ballard, Robert
483 Gutenberg downloadsen2012Difficulty 51 (Graduate)
Tunnel Engineering: A Museum Treatment
Vogel, Robert M.
483 Gutenberg downloadsen2012Difficulty 66 (Academic)
Handbuch der Geschichte der Buchdruckerkunst. Zweiter Teil Wiedererwachen und neue Blüte der Kunst. 1751-1882.
Lorck, Carl Berendt
482 Gutenberg downloadsde2019
The development of armor-piercing shells (with suggestions for their improvement)
De Zafra, Carlos
481 Gutenberg downloadsen2010Difficulty 59 (Graduate)
Chimneys & Fireplaces They Contribute to the Health Comfort and Happiness of the Farm Family - How to Build Them
Daniels, Ara Marcus
480 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Lessons in Wireless Telegraphy
Morgan, Alfred Powell
480 Gutenberg downloadsen2020Difficulty 56 (Graduate)
Scientific American, Volume 17, No. 26 December 28, 1867 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
480 Gutenberg downloadsen2005Difficulty 58 (Graduate)
Chambers's Edinburgh Journal, No. 451 Volume 18, New Series, August 21, 1852
Various
479 Gutenberg downloadsen2007Difficulty 63 (Academic)
De aardbeving van San Francisco De Aarde en haar Volken, 1907
Vries, Hugo de
479 Gutenberg downloadsnl2006
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Unknown
478 Gutenberg downloadsen2004Difficulty 49 (College)
The Isthmus of Suez Question
Lesseps, Ferdinand de
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Leonardo da Vinci als Ingenieur und Philosoph Ein Beitrag zur Geschichte der Technik und der induktiven Wissenschaften
Grothe, Hermann
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Digital Equipment Corporation
477 Gutenberg downloadsen2009Difficulty 58 (Graduate)
Scientific American Supplement, No. 530, February 27, 1886
Various
476 Gutenberg downloadsen2004Difficulty 58 (Graduate)
Hoisting Appliances
International Correspondence Schools
473 Gutenberg downloadsen2022Difficulty 51 (Graduate)
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)
473 Gutenberg downloadsen2013Difficulty 50 (College)
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.
473 Gutenberg downloadsen2022Difficulty 50 (College)
Scientific American Supplement, No. 595, May 28, 1887
Various
473 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Una historia del eBook
Lebert, Marie
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472 Gutenberg downloadsen2016Difficulty 61 (Academic)
Of Yankee granite : $b An account of the building of the Bunker Hill Monument
Cameron, Edward Herbert
472 Gutenberg downloadsen2023Difficulty 64 (Academic)
The Invention of Typography A Brief Sketch of the Invention of Printing and How it Came About
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472 Gutenberg downloadsen2022Difficulty 58 (Graduate)
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Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
Various
471 Gutenberg downloadsen2013Difficulty 54 (Graduate)
The Petrol Engine A Text-book dealing with the Principles of Design and Construction, with a Special Chapter on the Two-stroke Engine
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471 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Learning to fly in the U.S. Army : $b a manual of aviation practice
Fales, E. N. (Elisha Noel)
470 Gutenberg downloadsen2024Difficulty 58 (Graduate)
Scientific American Supplement, No. 363, December 16, 1882
Various
470 Gutenberg downloadsen2005Difficulty 62 (Academic)
Aeroplanes
Zerbe, James Slough
469 Gutenberg downloadsen1998Difficulty 46 (College)
Ancient and modern engineering and the Isthmian canal
Burr, William H. (William Hubert)
469 Gutenberg downloadsen2025Difficulty 50 (College)
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
469 Gutenberg downloadsen2006Difficulty 58 (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)
Elektrotechnisches Experimentierbuch: Eine Anleitung zur Ausführung elektrotechnischer Experimente unter Verwendung einfachster, meist selbst herzustellender Hilfsmittel
Schnetzler, Eberhard
467 Gutenberg downloadsde2022
Scientific American Supplement, No. 441, June 14, 1884.
Various
467 Gutenberg downloadsen2005Difficulty 56 (Graduate)
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
466 Gutenberg downloadsen2005Difficulty 49 (College)
The Story of Electricity
Munro, John
465 Gutenberg downloadsen2003Difficulty 57 (Graduate)
Scientific American Supplement, No. 443, June 28, 1884
Various
463 Gutenberg downloadsen2005Difficulty 53 (Graduate)
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Boardman, Harry Clow
463 Gutenberg downloadsen2017Difficulty 58 (Graduate)
Lead Smelting and Refining, With Some Notes on Lead Mining
Unknown
462 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Smeaton and Lighthouses A Popular Biography, with an Historical Introduction and Sequel
Anonymous
462 Gutenberg downloadsen2010Difficulty 68 (Academic)
The Nuclear Ship Savannah First Atomic Merchant Ship, One of the World's Safest Ships
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462 Gutenberg downloadsen2020Difficulty 67 (Academic)
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Lebert, Marie
461 Gutenberg downloadses2010
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461 Gutenberg downloadsen2014Difficulty 65 (Academic)
River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them.
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461 Gutenberg downloadsen2018Difficulty 51 (Graduate)
Scientific American Supplement, No. 664, September 22,1888
Various
461 Gutenberg downloadsen2008Difficulty 58 (Graduate)
Illustrated Catalogue of Cotton Machinery
Howard & Bullough American Machine Company
460 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Scientific American Supplement, No. 324, March 18, 1882
Various
460 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Scientific American Supplement, No. 492, June 6, 1885
Various
460 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Scientific American Supplement, No. 362, December 9, 1882
Various
459 Gutenberg downloadsen2005Difficulty 57 (Graduate)
The beginnings of cheap steel
Bishop, Philip W.
459 Gutenberg downloadsen2009Difficulty 63 (Academic)
Scientific American Supplement, No. 810, July 11, 1891
Various
458 Gutenberg downloadsen2005Difficulty 51 (Graduate)
Bailey's Dam
Smith, Steven D. & Castille, George J.
457 Gutenberg downloadsen2020Difficulty 56 (Graduate)
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Bacon, Gertrude
457 Gutenberg downloadsen2017Difficulty 54 (Graduate)
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457 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Scientific American Supplement, No. 384, May 12, 1883
Various
457 Gutenberg downloadsen2005Difficulty 46 (College)
Scientific American Supplement, No. 623, December 10, 1887
Various
457 Gutenberg downloadsen2005Difficulty 60 (Graduate)
A 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
456 Gutenberg downloadsen2013Difficulty 57 (Graduate)
Histoire des nombres et de la numération mécanique
Jacomy-Régnier
456 Gutenberg downloadsfr2009
Scientific American Supplement, No. 787, January 31, 1891
Various
456 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Elastic and non-elastic narrow fabrics : $b and a chapter on narrow fabrics made on knitting machines
Brown, Samuel
455 Gutenberg downloadsen2022Difficulty 57 (Graduate)
Lightning, Thunder and Lightning Conductors
Molloy, Gerald
455 Gutenberg downloadsen2022Difficulty 62 (Academic)
Return-Loads Bureaus to Save Waste in Transportation
United States. Council of National Defense. Highways Transport Committee
455 Gutenberg downloadsen2006Difficulty 60 (Graduate)
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Cooley, M. S. (Maxwell Stephens)
455 Gutenberg downloadsen2023Difficulty 59 (Graduate)
A Historical Account of Useful Inventions and Scientific Discoveries Being a manual of instruction and entertainment.
Grant, George
454 Gutenberg downloadsen2016Difficulty 62 (Academic)
Delco Radio Owner's Manual Model 633; Delcotron Generator Installation
Delco-Remy Corporation
454 Gutenberg downloadsen2010Difficulty 53 (Graduate)
The Advance of Science in the Last Half-Century
Huxley, Thomas Henry
454 Gutenberg downloadsen2005Difficulty 73 (Expert)
Scientific American Supplement, No. 458, October 11, 1884
Various
453 Gutenberg downloadsen2004Difficulty 58 (Graduate)
Scientific American Supplement, No. 601, July 9, 1887
Various
453 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time
Cunynghame, Henry H. (Henry Hardinge), Sir
453 Gutenberg downloadsen2017Difficulty 48 (College)
A General Plan for a Mail Communication by Steam, Between Great Britain and the Eastern and Western Parts of the World
MacQueen, James
452 Gutenberg downloadsen2007Difficulty 64 (Academic)
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Lebert, Marie
452 Gutenberg downloadsfr2008
The art of glass-blowing : $b or Plain instructions for making the chemical and philosophical instruments which are formed of glass
Danger, T.-P.
452 Gutenberg downloadsen2017Difficulty 63 (Academic)
The Voice of the Machines An Introduction to the Twentieth Century
Lee, Gerald Stanley
452 Gutenberg downloadsen2007Difficulty 43 (College)
Scientific American Supplement, No. 421, January 26, 1884
Various
451 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Scientific American Supplement, No. 497, July 11, 1885
Various
449 Gutenberg downloadsen2006Difficulty 49 (College)
Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919
Martin, Marcus J.
448 Gutenberg downloadsen2010Difficulty 64 (Academic)
Fulton's "Steam Battery": Blockship and Catamaran
Chapelle, Howard Irving
447 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Illustrations of the Croton Aqueduct
Tower, F. B. (Fayette Bartholomew)
447 Gutenberg downloadsen2021Difficulty 61 (Academic)
The Panama Canal and Its Makers
Cornish, Vaughan
447 Gutenberg downloadsen2011Difficulty 61 (Academic)
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Wright, Lewis & Wright, Russell Stuart
446 Gutenberg downloadsen2010Difficulty 58 (Graduate)
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Lebert, Marie
446 Gutenberg downloadsfr2009
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Wyatt, Horace
444 Gutenberg downloadsen2018Difficulty 63 (Academic)
Practical Stair Building and Handrailing By the square section and falling line system.
Wood, W. H.
444 Gutenberg downloadsen2018Difficulty 38 (High School)
Scientific American Supplement, No. 483, April 4, 1885
Various
444 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Scientific American Supplement, No. 531, March 6, 1886
Various
443 Gutenberg downloadsen2004Difficulty 51 (Graduate)
The Telephone in America: Bell Telephone System
Anonymous
443 Gutenberg downloadsen2020Difficulty 64 (Academic)
On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
Draper, Henry
442 Gutenberg downloadsen2016Difficulty 61 (Academic)
Scientific American Supplement, No. 794, March 21, 1891
Various
442 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Scenic Mount Lowe and Its Wonderful Railway
James, George Wharton
441 Gutenberg downloadsen2013Difficulty 62 (Academic)
Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
440 Gutenberg downloadsen2009Difficulty 49 (College)
Asbestos, Its production and use With some account of the asbestos mines of Canada
Jones, Robert H.
439 Gutenberg downloadsen2011Difficulty 64 (Academic)
Opening Ceremonies of the New York and Brooklyn Bridge, May 24, 1883
Kingsley, William C. & Edson, Franklin & Low, Seth
439 Gutenberg downloadsen2009Difficulty 54 (Graduate)
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Anonymous
439 Gutenberg downloadsen2022Difficulty 51 (Graduate)
Scientific American Supplement, No. 633, February 18, 1888
Various
439 Gutenberg downloadsen2005Difficulty 54 (Graduate)
The Gasoline Motor
Slauson, Harold Whiting
437 Gutenberg downloadsen2014Difficulty 58 (Graduate)
The proposed union of the telegraph and postal systems Statement of the Western Union Telegraph Company
Western Union Telegraph Company
437 Gutenberg downloadsen2020Difficulty 74 (Expert)
Cork: Its Origin and Industrial Uses
Stecher, Gilbert Erwin
436 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Marvel Carbureter and Heat Control As Used on Series 691 Nash Sixes Booklet S
Anonymous
436 Gutenberg downloadsen2008Difficulty 49 (College)
Scientific American Supplement, No. 481, March 21, 1885
Various
436 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Engineering Bulletin No 1: Boiler and Furnace Testing
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435 Gutenberg downloadsen2006Difficulty 46 (College)
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Various
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432 Gutenberg downloadsen2005Difficulty 66 (Academic)
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Various
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Various
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Various
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410 Gutenberg downloadsen2024Difficulty 60 (Graduate)
Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 Final Report of Special Committee on Rail Sections, Paper No. 1177
Various
410 Gutenberg downloadsen2006Difficulty 50 (College)
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Various
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406 Gutenberg downloadsen2016Difficulty 66 (Academic)
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405 Gutenberg downloadsen2005Difficulty 53 (Graduate)
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The Face of the Earth as Seen from the Air A Study in the Application of Airplane Photography to Geography
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389 Gutenberg downloadsen2005Difficulty 61 (Academic)
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Durno, J.
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379 Gutenberg downloadsen2008Difficulty 53 (Graduate)
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Various
378 Gutenberg downloadsen2005Difficulty 63 (Academic)
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373 Gutenberg downloadsen2019Difficulty 51 (Graduate)
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371 Gutenberg downloadsen2007Difficulty 69 (Academic)
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368 Gutenberg downloadsen2009Difficulty 53 (Graduate)
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368 Gutenberg downloadsen2016Difficulty 60 (Graduate)
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367 Gutenberg downloadsen2005Difficulty 54 (Graduate)
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367 Gutenberg downloadsen2004Difficulty 52 (Graduate)
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Various
365 Gutenberg downloadsen2016Difficulty 48 (College)
The Economy of Workshop Manipulation A logical method of learning constructive mechanics. Arranged with questions for the use of apprentice engineers and students.
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365 Gutenberg downloadsen2018Difficulty 66 (Academic)
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365 Gutenberg downloadsen2006Difficulty 69 (Academic)
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363 Gutenberg downloadsen2010Difficulty 62 (Academic)
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363 Gutenberg downloadsen2017Difficulty 55 (Graduate)
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Whiteside, Thomas
363 Gutenberg downloadsen2021Difficulty 69 (Academic)
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362 Gutenberg downloadsen2016Difficulty 49 (College)
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362 Gutenberg downloadsen2023Difficulty 53 (Graduate)
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Merriman, Owen
361 Gutenberg downloadsen2011Difficulty 65 (Academic)
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361 Gutenberg downloadsen2015Difficulty 53 (Graduate)
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Geitel, Max
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Harvey, Frederick
360 Gutenberg downloadsen2022Difficulty 55 (Graduate)
Nouveau moyen de préparer la couche sensible des plaques destinées à recevoir les images photographiques Lettre à M. Arago
Daguerre, Louis Jacques Mandé
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Report of the Railway Department of the Board of Trade on the London, Worcester, and Wolverhampton, and on the Birmingham and Shrewsbury Districts
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Automatic Toy Works, New York
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358 Gutenberg downloadsen2023Difficulty 67 (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
358 Gutenberg downloadsen2025Difficulty 55 (Graduate)
IBM System 360 RPG Debugging Template and Keypunch Card
Anonymous
357 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Digital PDP15 Price List, April, 1970
Digital Equipment Corporation
355 Gutenberg downloadsen2011Difficulty 72 (Expert)
Specifications for street roadway pavements with instructions to inspectors on street paving work
Whinery, Samuel
355 Gutenberg downloadsen2022Difficulty 85 (Specialist)
The Fifteen Watt Tungsten Lamp
Anderson, Clair Elmore
355 Gutenberg downloadsen2015Difficulty 54 (Graduate)
Acoustics of auditoriums
Watson, Floyd Rowe
353 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Bangerter's Inventions; His Marvelous Time Clock
Unknown
352 Gutenberg downloadsen2016Difficulty 59 (Graduate)
A manual of pyrotechny : $b or, A familiar system of recreative fire-works
Mortimer, G. W.
350 Gutenberg downloadsen2019Difficulty 68 (Academic)
A few secrets of the metallurgist simply told
Hinkley, Gerald Watson
349 Gutenberg downloadsen2025Difficulty 60 (Graduate)
Elementary Course in Woodwork Designed for use in high and technical schools, with one hundred and thirty-four illustrations: First Edition
Ross, George Alexander
347 Gutenberg downloadsen2021Difficulty 45 (College)
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
347 Gutenberg downloadsen2013Difficulty 58 (Graduate)
Vasárnapi Könyv. 1914. Első félév 10. füzet
Unknown
347 Gutenberg downloadshu2007
Rough and Tumble Engineering
Maggard, James H.
346 Gutenberg downloadsen2004Difficulty 42 (College)
Improvement in Fire-Arms and in the Apparatus Used Therewith United States Patent Office Application
Colt, Samuel
345 Gutenberg downloadsen2015Difficulty 52 (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.
342 Gutenberg downloadsen2014Difficulty 43 (College)
Short-Title Catalog of Publications and Importations of Scientific and Engineering Books (August 1910)
D. Van Nostrand Company
342 Gutenberg downloadsen2017Difficulty 43 (College)
Synthetic Tannins, Their Synthesis, Industrial Production and Application
Grasser, Georg
342 Gutenberg downloadsen2005Difficulty 63 (Academic)
The Great Thames Barrage
Barber, Thomas Walter
342 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Transactions of the American Society of Civil Engineers, Vol. LXX, December, 1910
American Society of Civil Engineers
342 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Three little lines : $b Silverton Railroad, Silverton, Gladstone & Northerly, Silverton Northern
Crum, Josie Moore
341 Gutenberg downloadsen2020Difficulty 47 (College)
Remarks on a Pamphlet Lately published by the Rev. Mr. Maskelyne, Under the Authority of the Board of Longitude
Harrison, John
340 Gutenberg downloadsen2011Difficulty 77 (Expert)
The Woman's Part: A Record of Munitions Work
Yates, L. K.
340 Gutenberg downloadsen2011Difficulty 65 (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
339 Gutenberg downloadsen2017Difficulty 77 (Expert)
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.
339 Gutenberg downloadsen2024Difficulty 49 (College)
The Future of Road-making in America
Hulbert, Archer Butler
337 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Metropolitan Subway and Elevated Systems Bulletin 49
General Electric Company
336 Gutenberg downloadsen2017Difficulty 58 (Graduate)
Telephone troubles : $b Their location and remedy
Wev, Edward Mahon
336 Gutenberg downloadsen2025Difficulty 49 (College)
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Boynton Bicycle Railway Company
335 Gutenberg downloadsen2024Difficulty 56 (Graduate)
C.A. Coey's School of Motoring, 1424-26 Michigan Ave. Chicago
Coey, Charles Andrew
335 Gutenberg downloadsen2015Difficulty 50 (College)
Emil Rathenau und das elektrische Zeitalter
Pinner, Felix
335 Gutenberg downloadsde2017
Lecture on Artificial Flight Given by request at the Academy of Natural Sciences
Krueger, William G.
335 Gutenberg downloadsen2011Difficulty 66 (Academic)
Monthly supplement of the penny magazine of the Society for the Diffusion of Useful Knowledge, issue 21, June 30 to July 31, 1832
Unknown
335 Gutenberg downloadsen2025Difficulty 62 (Academic)
Pneumatic conveying
Phillips, Ernest George
335 Gutenberg downloadsen2023Difficulty 60 (Graduate)
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
334 Gutenberg downloadsen2020Difficulty 69 (Academic)
Railroad Accidents, Their Cause and Prevention
Richards, R. C. (Ralph Coffin)
334 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Der Schiffbau seit seiner Entstehung, Band 1
Konijnenburg, E. van (Emile)
333 Gutenberg downloadsde2025
Fête aérostatique, qui sera célébrée aujourd'hui au champ de Mars; Aréostation: établissement d'une compagnie aéronautique
Anonymous
332 Gutenberg downloadsfr2006
Pegasus : $b problems of transportation
Fuller, J. F. C. (John Frederick Charles)
331 Gutenberg downloadsen2025Difficulty 55 (Graduate)
O odkryciach i wynalazkach Odczyt popularny wypowiedziany dnia 23 marca 1873 r.
Prus, Bolesław
330 Gutenberg downloadspl2009
L'ebook a 40 ans (1971-2011)
Lebert, Marie
329 Gutenberg downloadsfr2011
Der Vogelflug als Grundlage der Fliegekunst Ein Beitrag zur Systematik der Flugtechnik
Lilienthal, Otto
328 Gutenberg downloadsde2017
The Problem of Manflight
Means, James
328 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Famous days in the century of invention
Stone, Gertrude L. (Gertrude Lincoln) & Fickett, M. Grace (Mary Grace)
327 Gutenberg downloadsen2014Difficulty 38 (High School)
Lichtbild- und Kino-Technik Lichtbühnen-Bibliothek Nr. 1
Liesegang, Franz Paul
327 Gutenberg downloadsde2015
A Lost Chapter in the History of the Steamboat
Latrobe, John H. B. (John Hazlehurst Boneval)
326 Gutenberg downloadsen2020Difficulty 56 (Graduate)
Die Säge: Ein Rückblick auf vier Jahrtausende
Feldhaus, Franz M. (Franz Maria)
326 Gutenberg downloadsde2019
Histoire du Canal de Suez
Lesseps, Ferdinand de
326 Gutenberg downloadsfr2021
The Journal of Electricity, Power and Gas, Volume XX, No. 18, May 2, 1908 Devoted to the Conversion, Transmission and Distribution of Energy
Various
326 Gutenberg downloadsen2018Difficulty 61 (Academic)
The Oak Ridge ALGOL Compiler for the Control Data Corporation 1604 Preliminary Programmer's Manual
Bumgarner, L. L.
326 Gutenberg downloadsen2015Difficulty 52 (Graduate)
How to get an air job
Byrne, Jack
324 Gutenberg downloadsen2023Difficulty 53 (Graduate)
The Daguerreian Journal, Vol. II, No. 2, June 1, 1851
Various
324 Gutenberg downloadsen2020Difficulty 62 (Academic)
Refraction and muscular imbalance, as simplified through the use of the ski-optometer
Woolf, Daniel
323 Gutenberg downloadsen2023Difficulty 67 (Academic)
Remarks on the Proposed Railway Between Birmingham and London
Anonymous
323 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Werner von Siemens, der Begründer der modernen Elektrotechnik
Fürst, Artur
323 Gutenberg downloadsde2014
Preliminary Report on Gowganda Mining Division District of Nipissing Ontario
Collins, W. H. (William Henry)
321 Gutenberg downloadsen2021Difficulty 60 (Graduate)
La web, una enciclopedia multilingüe
Lebert, Marie
320 Gutenberg downloadses2013
Sciopticon: Einführung in die Projections-Kunst
Liesegang, Franz Paul
318 Gutenberg downloadsde2014
Tinting and toning of Eastman positive motion picture film : $b Second edition—revised
Eastman Kodak Company
318 Gutenberg downloadsen2023Difficulty 57 (Graduate)
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
316 Gutenberg downloadsen2020Difficulty 56 (Graduate)
The Mentor: Great American Inventors, Vol. 1, Num. 29, Serial No. 29
Bruce, H. Addington (Henry Addington)
316 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Weale's Series of Scientific and Technical Works
Crosby Lockwood and Son
316 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Schöpfungen der Ingenieurtechnik der Neuzeit
Geitel, Max
315 Gutenberg downloadsde2014
De drooglegging der Zuiderzee. Het plan J. Ulehake contra het plan C. Lely
Ulehake, J.
314 Gutenberg downloadsnl2011
Die Technik der Lastenförderung einst und jetzt Eine Studie über die Entwicklung der Hebemaschinen und ihren Einfluß auf Wirtschaftsleben und Kulturgeschichte
Kammerer, Otto
314 Gutenberg downloadsde2018
Technik der Bronzeplastik
Lüer, Hermann
313 Gutenberg downloadsde2016
The construction and maintenance of earth roads
Lyman, Richard Roswell
313 Gutenberg downloadsen2022Difficulty 51 (Graduate)
The Memoirs of Charles H. Cramp
Buell, Augustus C.
313 Gutenberg downloadsen2018Difficulty 63 (Academic)
Report of the Hoosac Tunnel and Troy and Greenfield Railroad, by the Joint Standing Committee of 1866.
Wentworth, Tappan
312 Gutenberg downloadsen2012Difficulty 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.)
312 Gutenberg downloadsen2021Difficulty 58 (Graduate)
The Dry Collodion Process
Long, Charles A.
311 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Karte und Kroki
Wolff, Hans
310 Gutenberg downloadsde2015
The art of lead burning : $b a practical treatise explaining the apparatus and processes.
Fay, C. H.
310 Gutenberg downloadsen2016Difficulty 48 (College)
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
310 Gutenberg downloadsfr2008
International Bridge Authority, Sault Ste. Marie
Anonymous
309 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Conservation Through Engineering Extract from the Annual Report of the Secretary of the Interior
Lane, Franklin K.
307 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Aeolus; or, the future of the flying machine
Stewart, Oliver, Major
304 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Bridge Disasters in America: The Cause and the Remedy
Vose, George L. (George Leonard)
304 Gutenberg downloadsen2009Difficulty 58 (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
302 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Mine Pumping in Agricola's Time and Later
Multhauf, Robert P.
301 Gutenberg downloadsen2010Difficulty 59 (Graduate)
Søren Hjorth: Inventor of the Dynamo-electric Principle
Smith, Sigurd
301 Gutenberg downloadsen2021Difficulty 63 (Academic)
Il nuovo lume delle gioie Opera utilissima ad'ogni persona, così a orefici, e speciali, per l'arte pratico.
Caliari, Pietro
300 Gutenberg downloadsit2017
Omhoog in het luchtruim! Praatje over het luchtvaartvraagstuk De Aarde en haar Volken, 1908
Uildriks, Frederike van
299 Gutenberg downloadsnl2004
Books Relating to Applied Science, Published by E & F. N. Spon, 1887.
E. & F. N. Spon
298 Gutenberg downloadsen2019Difficulty 62 (Academic)
Darstellende Geometrie des Geländes und verwandte Anwendungen der Methode der kotierten Projektionen
Rothe, Rudolf
298 Gutenberg downloadsde2018
Wireless Possibilities
Low, A. M. (Archibald Montgomery)
298 Gutenberg downloadsen2021Difficulty 58 (Graduate)
The British Journal of Photography, No. 613, Vol. XIX, February 2, 1872
Various
296 Gutenberg downloadsen2019Difficulty 62 (Academic)
Die Anfänge der Naturbeherrschung. 1. Frühformen der Mechanik
Weule, Karl
295 Gutenberg downloadsde2017
Water and power for San Francisco from Hetch-Hetchy Valley in Yosemite National Park
Vilas, Martin Samuel
295 Gutenberg downloadsen2022Difficulty 59 (Graduate)
De afsluiting en droogmaking der Zuiderzee. Weerlegging van bezwaren. uitgegeven door de Zuiderzee-Vereeniging
Beekman, A. A. (Anton Albert)
294 Gutenberg downloadsnl2011
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 40, Vol. I, October 4, 1884
Various
293 Gutenberg downloadsen2021Difficulty 52 (Graduate)
The Panama Canal
McKinlay, Duncan E.
293 Gutenberg downloadsen2014Difficulty 70 (Academic)
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
290 Gutenberg downloadsen2023Difficulty 68 (Academic)
Selenium cells : $b the construction, care and use of selenium cells with special reference to the Fritts cell
Benson, Thomas William
286 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Quo vadimus? : $b Some glimpses of the future
Fournier d'Albe, E. E. (Edmund Edward)
285 Gutenberg downloadsen2024Difficulty 55 (Graduate)
The Mentor: Reclaiming the Desert, Vol. 6, Num. 17, Serial No. 165, October 15, 1918
Blanchard, C. J. (Clarence John)
284 Gutenberg downloadsen2015Difficulty 59 (Graduate)
Design of a Steel Railroad Warehouse
Tallyn, Louis Liston
282 Gutenberg downloadsen2020Difficulty 44 (College)
Un grand français du XVIIme siècle : Pierre Paul Riquet et le canal du Midi
Fernay, Jacques
280 Gutenberg downloadsfr2018
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
278 Gutenberg downloadsen2010Difficulty 59 (Graduate)
American Horological Journal, Vol. I, No. 1, July 1869: Devoted to Pratical Horology
Unknown
277 Gutenberg downloadsen2022Difficulty 60 (Graduate)
A Method of Tanning without Bark
Maple, William
276 Gutenberg downloadsen2018Difficulty 60 (Graduate)
The Preservation of the Exterior of Wooden Buildings
Cushman, Allerton S. (Allerton Seward) & Gardner, Henry A. (Henry Alfred)
276 Gutenberg downloadsen2020Difficulty 67 (Academic)
Die Festungen gegenüber den gezogenen Geschützen
Prittwitz, M. von (Moritz)
275 Gutenberg downloadsde2010
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.
275 Gutenberg downloadsen2013Difficulty 62 (Academic)
"Puffing Billy" and the Prize "Rocket" or, the story of the Stephensons and our Railways.
Knight, Helen C. (Helen Cross)
273 Gutenberg downloadsen2012Difficulty 42 (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)
273 Gutenberg downloadsen2014Difficulty 55 (Graduate)
A Project for Flying: In Earnest at Last!
Hardley, Robert
272 Gutenberg downloadsen2004Difficulty 66 (Academic)
Die Akkumulatoren: ihre Theorie, Herstellung, Behandlung und Verwendung.
Bermbach, Willibald
270 Gutenberg downloadsde2016
The Dominion Astrophysical Observatory, Victoria, B.C.
Plaskett, J. S. (John Stanley)
268 Gutenberg downloadsen2020Difficulty 62 (Academic)
Het eerste ontwerp voor de bedijking der Zuiderzee, 1848
Kloppenburg, Jakob & Faddegon, Pieter
266 Gutenberg downloadsnl2013
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
265 Gutenberg downloadsen2019Difficulty 60 (Graduate)
A Succinct View of the Importance and Practicability of Forming a Ship Canal across the Isthmus of Panama
Hill, H. R.
260 Gutenberg downloadsen2009Difficulty 67 (Academic)
Vasárnapi Könyv. 1914. Első félév 15. füzet
Various
255 Gutenberg downloadshu2009
Comparison of Methods of Sewage Purification
Phillips, Theodore Clifford & Schneider, Edward John
254 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Le Circuit de l'Est [programme]
Commune de Amiens/Nancy
253 Gutenberg downloadsfr2004
Great Western Railway Instructions
Grierson, William Wylie
252 Gutenberg downloadsen2018Difficulty 48 (College)
Comparison of Woods for Butter Boxes
Turnbow, Grover Dean
247 Gutenberg downloadsen2022Difficulty 53 (Graduate)
A brief sketch of the work of Matthew Fontaine Maury during the war, 1861-1865
Maury, Richard L. (Richard Lancelot)
246 Gutenberg downloadsen2010Difficulty 56 (Graduate)
Verklaring van het stoomwerktuig zijnde eene algemeen bevattelijke beschrijving van deszelfs onderscheidene deelen, zamenstelling en werking.
Unknown
243 Gutenberg downloadsnl2010
Vasárnapi Könyv. 1914. Első félév 12. füzet
Various
234 Gutenberg downloadshu2009
The Chester and Holyhead Railway and Its Prospects
Morgan, William
231 Gutenberg downloadsen2020Difficulty 67 (Academic)
Geld und Erfahrung
Eyth, Max
225 Gutenberg downloadsde2015
Les règles de Cicco Simonetta pour le déchiffrement des écritures secrètes
Simonetta, Cicco
225 Gutenberg downloadsfr2009
Ontwerp van wet tot afsluiting en droogmaking van de Zuiderzee met toelichtende memorie
Lely, Cornelis
221 Gutenberg downloadsnl2011
L'Illustration, No. 3236, 4 Mars 1905
Various
216 Gutenberg downloadsfr2010
Facts and Figures Concerning the Hoosac Tunnel
Piper, John J.
196 Gutenberg downloadsen2012Difficulty 64 (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
181 Gutenberg downloadsen2013Difficulty 53 (Graduate)
Report of the Several Works Connected with the Draining, Paving & Lighting the Parish of Saint Mary Abbotts, Kensington, 1856
Broadbridge, James
174 Gutenberg downloadsen2013Difficulty 58 (Graduate)

The Notebooks of Leonardo Da Vinci — Complete

Concrete Construction: Methods and Costs

Practical Mechanics for Boys

Steam Turbines A Book of Instruction for the Adjustment and Operation of the Principal Types of this Class of Prime Movers

Electricity for Boys

Color Images from Mars Rovers Spirit and Opportunity

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...

De Re Metallica, Translated from the First Latin Edition of 1556

The Dyeing of Cotton Fabrics: A Practical Handbook for the Dyer and Student

The Progress of Invention in the Nineteenth Century.

My Life and Work

How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity

Mission Furniture: How to Make It, Part 3

Elements of Plumbing

The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting

The Standard Electrical Dictionary A Popular Dictionary of Words and Terms Used in the Practice of Electrical Engineering

A History of Inventions, Discoveries, and Origins, Volume 2 (of 2)

Edison: His Life and Inventions

The handbook of soap manufacture

Steam-ships : $b The story of their development to the present day

Steam, Its Generation and Use

Learning to Fly: A Practical Manual for Beginners

The Pencil of Nature

Jane's All the World's Aircraft. 1913

Gas and Oil Engines, Simply Explained An Elementary Instruction Book for Amateurs and Engine Attendants

Smithsonian Institution - United States National Museum - Bulletin 240 Contributions From the Museum of History and Technology Papers 34-44 on Science and Technology

A Dictionary of Arts, Manufactures and Mines containing a clear exposition of their principles and practice

The Online World

Mission Furniture: How to Make It, Part 1

Passages from the Life of a Philosopher

Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.

Aviation in Peace and War

The Silicon Jungle

Discoveries and Inventions of the Nineteenth Century

The Boy Electrician

The Invention of the Sewing Machine

A History of the Growth of the Steam-Engine

Computers—the machines we think with

Inventors at Work, with Chapters on Discovery

Garden Cities of To-Morrow Being the Second Edition of "To-Morrow: a Peaceful Path to Real Reform"

Modern Machine-Shop Practice, Volumes I and II

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

Woodworking Tools 1600-1900

English and American tool builders

Lectures in Navigation

The history of steam navigation

Waterways and Water Transport in Different Countries With a description of the Panama, Suez, Manchester, Nicaraguan, and other canals.

The Jargon File, Version 2.9.10, 01 Jul 1992

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

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

The American Railway: Its Construction, Development, Management, and Appliances

Panama and the Canal in Picture and Prose

Encyclopaedia Britannica, 11th Edition, "Joints" to "Justinian I." Volume 15, Slice 5

Inventions in the century

German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering

Giant brains; or, Machines that think

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

History of merchant shipping and ancient commerce, Volume 4 (of 4)

Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons

A Newly Discovered System of Electrical Medication

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

The Evolution of Naval Armament

Ocean Steam Navigation and the Ocean Post

The boy mechanic, book 3 : $b 800 things for boys to do

Underground: Hacking, madness and obsession on the electronic frontier

Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London

Lives of Boulton and Watt. Principally from the Original Soho Mss. Comprising also a history of the invention and introduction of the steam engine

A short history of the printing press and of the improvements in printing machinery from the time of Gutenberg up to the present day

Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd edition)

Carriages & Coaches: Their History & Their Evolution

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.

The Story of the Typewriter, 1873-1923

Torpedoes and Torpedo Warfare Containing a Complete and Concise Account of the Rise and Progress of Submarine Warfare

Aviation Engines: Design—Construction—Operation and Repair

Portable Flame Thrower M2-2

The Bark Canoes and Skin Boats of North America

Agricultural Implements and Machines in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17

James Watt

Lightships and Lighthouses

On the Origin of Clockwork, Perpetual Motion Devices, and the Compass