Curated Shelf

Physics

Popular Victorian physics — mostly outdated but historically interesting.

579 WorksDrawn from Project Gutenberg Bookshelf #667

Steam, Its Generation and Use
Babcock & Wilcox Company
12,520 Gutenberg downloadsen2007Difficulty 64 (Academic)
The Notebooks of Leonardo Da Vinci — Complete
Leonardo, da Vinci
12,425 Gutenberg downloadsen2004Difficulty 52 (Graduate)
A Budget of Paradoxes, Volume I
De Morgan, Augustus
10,866 Gutenberg downloadsen2007Difficulty 55 (Graduate)
The Story of the Heavens
Ball, Robert S. (Robert Stawell)
9,494 Gutenberg downloadsen2008Difficulty 49 (College)
Astronomy for Amateurs
Flammarion, Camille
7,819 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Myths and Marvels of Astronomy
Proctor, Richard A. (Richard Anthony)
7,045 Gutenberg downloadsen2008Difficulty 66 (Academic)
The Astronomy of Milton's 'Paradise Lost'
Orchard, Thomas Nathaniel
6,184 Gutenberg downloadsen2009Difficulty 64 (Academic)
The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler
Brewster, David
5,898 Gutenberg downloadsen2008Difficulty 79 (Expert)
A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma
Munsell, A. H. (Albert Henry)
4,615 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Rollo's Experiments
Abbott, Jacob
3,997 Gutenberg downloadsen2008Difficulty 35 (High School)
On Growth and Form
Thompson, D'Arcy Wentworth
3,305 Gutenberg downloadsen2017Difficulty 53 (Graduate)
Goethe's Theory of Colours
Goethe, Johann Wolfgang von
3,239 Gutenberg downloadsen2015Difficulty 68 (Academic)
Opticks : $b or, A treatise of the reflections, refractions, inflections and colours of light
Newton, Isaac
3,181 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Philosophiae Naturalis Principia Mathematica
Newton, Isaac
3,051 Gutenberg downloadsla2009
German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering
Kroeh, Charles Frederick
3,034 Gutenberg downloadsde2007
Novum organum : $b or, True suggestions for the interpretation of nature
Bacon, Francis
2,685 Gutenberg downloadsen2014Difficulty 71 (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
2,312 Gutenberg downloadsen2009Difficulty 58 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Electrostatics" to "Engis" Volume 9, Slice 3
Various
2,291 Gutenberg downloadsen2011Difficulty 66 (Academic)
Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants
Flammarion, Camille
2,163 Gutenberg downloadsen2012Difficulty 55 (Graduate)
The book of wonders : $b gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer...
Unknown
2,069 Gutenberg downloadsen2025Difficulty 48 (College)
Scientific American, Volume 56, No. 9, February 26, 1887
Various
1,946 Gutenberg downloadsen2015Difficulty 54 (Graduate)
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method
Poincaré, Henri
1,783 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Bibliographical history of electricity & magnetism, chronologically arranged
Unknown
1,779 Gutenberg downloadsen2024Difficulty 62 (Academic)
Experimental Researches in Electricity, Volume 1
Faraday, Michael
1,767 Gutenberg downloadsen2005Difficulty 63 (Academic)
Encyclopaedia Britannica, 11th Edition, "Matter" to "Mecklenburg" Volume 17, Slice 8
Various
1,694 Gutenberg downloadsen2013Difficulty 71 (Expert)
Discoveries and Inventions of the Nineteenth Century
Routledge, Robert
1,689 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
Tesla, Nikola
1,623 Gutenberg downloadsen2004Difficulty 63 (Academic)
Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind
Zahm, J. A. (John Augustine)
1,456 Gutenberg downloadsen2011Difficulty 66 (Academic)
The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
Thomson, J. Arthur (John Arthur)
1,439 Gutenberg downloadsen2007Difficulty 66 (Academic)
Relativity: The Special and General Theory
Einstein, Albert
1,436 Gutenberg downloadsen2009Difficulty 62 (Academic)
A Popular History of Astronomy During the Nineteenth Century Fourth Edition
Clerke, Agnes M. (Agnes Mary)
1,433 Gutenberg downloadsen2009Difficulty 78 (Expert)
Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4
Various
1,423 Gutenberg downloadsen2013Difficulty 67 (Academic)
How to Use the Popular Science Library; History of Science; General Index
Serviss, Garrett Putman & Selwyn-Brown, Arthur
1,393 Gutenberg downloadsen2016Difficulty 64 (Academic)
Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
1,389 Gutenberg downloadsen2006Difficulty 56 (Graduate)
Einstein's Theories of Relativity and Gravitation A selection of material from the essays submitted in the competition for the Eugene Higgins prize of $5,000
Bird, J. Malcolm (James Malcolm)
1,388 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1
Humboldt, Alexander von
1,382 Gutenberg downloadsen2005Difficulty 67 (Academic)
On the magnet, magnetick bodies also, and on the great magnet the earth a new physiology, demonstrated by many arguments & experiments
Unknown
1,361 Gutenberg downloadsen2010Difficulty 68 (Academic)
General Science
Clark, Bertha May
1,351 Gutenberg downloadsen2005Difficulty 53 (Graduate)
The International Monthly, Volume 5, No. 4, April, 1852
Various
1,339 Gutenberg downloadsen2011Difficulty 58 (Graduate)
The Progress of the Century
Unknown
1,325 Gutenberg downloadsen2017Difficulty 69 (Academic)
Pierre Curie
Curie, Marie
1,324 Gutenberg downloadsen2022Difficulty 48 (College)
History of the inductive sciences, from the earliest to the present time
Whewell, William
1,306 Gutenberg downloadsen2022Difficulty 52 (Graduate)
Biographies of distinguished scientific men. First series
Arago, F. (François)
1,302 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Physics
Tower, Willis E. (Willis Eugene) & Cope, Thomas D. (Thomas Darlington) & Smith, Charles H. (Charles Henry) & Turton, Charles M. (Charles Mark)
1,301 Gutenberg downloadsen2012Difficulty 54 (Graduate)
Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2
Tyndall, John
1,265 Gutenberg downloadsen2008Difficulty 54 (Graduate)
The Boy Electrician
Morgan, Alfred Powell
1,264 Gutenberg downloadsen2020Difficulty 47 (College)
Index of the Project Gutenberg Works of Benjamin Franklin
Franklin, Benjamin
1,249 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7
Various
1,225 Gutenberg downloadsen2013Difficulty 66 (Academic)
Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.
Tissandier, Gaston
1,218 Gutenberg downloadsen2016Difficulty 62 (Academic)
The principles of science : $b a treatise on logic and scientific method
Jevons, William Stanley
1,210 Gutenberg downloadsen2024Difficulty 64 (Academic)
The Boy's Playbook of Science Including the Various Manipulations and Arrangements of Chemical and Philosophical Apparatus Required for the Successful Performance of Scientific Experiments in Illustration of the Elementary Branches of Chemistry and Natural Philosophy
Pepper, John Henry
1,195 Gutenberg downloadsen2013Difficulty 61 (Academic)
Studies in the History and Method of Science, vol. 1 (of 2)
Unknown
1,191 Gutenberg downloadsen2014Difficulty 57 (Graduate)
The Boy's Book of New Inventions
Maule, Harry E. (Harry Edward)
1,177 Gutenberg downloadsen2014Difficulty 60 (Graduate)
History of the Conflict Between Religion and Science
Draper, John William
1,168 Gutenberg downloadsen1998Difficulty 62 (Academic)
Keely and His Discoveries: Aerial Navigation
Moore, Bloomfield H., Mrs.
1,153 Gutenberg downloadsen2018Difficulty 60 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Hydromechanics" to "Ichnography" Volume 14, Slice 2
Various
1,146 Gutenberg downloadsen2012Difficulty 70 (Academic)
The Advance of Science in the Last Half-Century
Huxley, Thomas Henry
1,124 Gutenberg downloadsen2005Difficulty 73 (Expert)
Michael Faraday, His Life and Work
Thompson, Silvanus P. (Silvanus Phillips)
1,116 Gutenberg downloadsen2021Difficulty 52 (Graduate)
The sidereal messenger of Galileo Galilei : $b and a part of the preface to Kepler's Dioptrics containing the original account of Galileo's astronomical discoveries
Galilei, Galileo & Kepler, Johannes
1,107 Gutenberg downloadsen2014Difficulty 70 (Academic)
Autobiography of Sir George Biddell Airy
Airy, George Biddell
1,106 Gutenberg downloadsen2004Difficulty 59 (Graduate)
Zetetic astronomy: Earth not a globe! An experimental inquiry into the true figure of the earth etc.
Parallax
1,103 Gutenberg downloadsen2023Difficulty 57 (Graduate)
The Concept of Nature The Tarner Lectures Delivered in Trinity College, November 1919
Whitehead, Alfred North
1,099 Gutenberg downloadsen2006Difficulty 62 (Academic)
Galileo Galilei and the Roman Curia From Authentic Sources
Gebler, Karl von
1,083 Gutenberg downloadsen2019Difficulty 53 (Graduate)
The Romance of Modern Invention Containing Interesting Descriptions in Non-technical Language of Wireless Telegraphy, Liquid Air, Modern Artillery, Submarines, Dirigible Torpedoes, Solar Motors, Airships, &c. &c.
Williams, Archibald
1,066 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Treatise on light : $b In which are explained the causes of that which occurs in reflexion, & in refraction and particularly in the strange refraction of Iceland crystal
Huygens, Christiaan
1,065 Gutenberg downloadsen2005Difficulty 58 (Graduate)
American Journal of Science, Vol. 1.
Various
1,052 Gutenberg downloadsen2016Difficulty 65 (Academic)
Beacon Lights of History, Volume 14: The New Era A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents
Lord, John
1,040 Gutenberg downloadsen2004Difficulty 56 (Graduate)
The Story of Great Inventions
Burns, Elmer Ellsworth
1,014 Gutenberg downloadsen2011Difficulty 57 (Graduate)
The Microscope. Its History, Construction, and Application 15th ed. Being a familiar introduction to the use of the instrument, and the study of microscopical science
Hogg, Jabez
1,008 Gutenberg downloadsen2020Difficulty 67 (Academic)
Makers of Electricity
Potamian, Brother & Walsh, James J. (James Joseph)
995 Gutenberg downloadsen2014Difficulty 69 (Academic)
A Field Book of the Stars
Olcott, William Tyler
992 Gutenberg downloadsen2007Difficulty 49 (College)
Early American Scientific Instruments and Their Makers
Bedini, Silvio A.
992 Gutenberg downloadsen2012Difficulty 70 (Academic)
The Poetry of Science; or, Studies of the Physical Phenomena of Nature
Hunt, Robert
989 Gutenberg downloadsen2016Difficulty 79 (Expert)
The Life of Sir Isaac Newton
Brewster, David
969 Gutenberg downloadsen2016Difficulty 73 (Expert)
Tube, Train, Tram, and Car; or, Up-to-date locomotion
Beavan, Arthur H. (Arthur Henry)
967 Gutenberg downloadsen2017Difficulty 62 (Academic)
The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture
Maunder, E. Walter (Edward Walter)
966 Gutenberg downloadsen2009Difficulty 73 (Expert)
The Quarterly Journal of Science, Literature and the Arts, July-December, 1827
Various
961 Gutenberg downloadsen2014Difficulty 59 (Graduate)
Personal Recollections, from Early Life to Old Age, of Mary Somerville
Somerville, Mary
947 Gutenberg downloadsen2009Difficulty 56 (Graduate)
Popular scientific lectures
Mach, Ernst
945 Gutenberg downloadsen2012Difficulty 53 (Graduate)
The First Airplane Diesel Engine: Packard Model DR-980 of 1928
Meyer, Robert B.
942 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Things a Boy Should Know About Electricity Second Edition
St. John, Thomas M. (Thomas Matthew)
940 Gutenberg downloadsen2014Difficulty 48 (College)
Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
938 Gutenberg downloadsen2009Difficulty 49 (College)
The Life of Galileo Galilei, with Illustrations of the Advancement of Experimental Philosophy Life of Kepler
Bethune, John Elliot Drinkwater
937 Gutenberg downloadsen2013Difficulty 74 (Expert)
Pioneers of Science
Lodge, Oliver, Sir
933 Gutenberg downloadsen2009Difficulty 50 (College)
Philosophical Transactions of the Royal Society - Vol 1 - 1666 Giving some Accompt of the present Undertakings, Studies, and Labours of the Ingenious in many considerable parts of the World
Various
928 Gutenberg downloadsen2009Difficulty 57 (Graduate)
The Story of Eclipses
Chambers, George F. (George Frederick)
913 Gutenberg downloadsen2008Difficulty 49 (College)
Giant brains; or, Machines that think
Berkeley, Edmund Callis
910 Gutenberg downloadsen2022Difficulty 48 (College)
Pyrometry: A Practical Treatise on the Measurement of High Temperatures
Darling, Charles R. (Charles Robert)
902 Gutenberg downloadsen2018Difficulty 71 (Expert)
The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 2 [of 3]
Franklin, Benjamin
898 Gutenberg downloadsen2015Difficulty 56 (Graduate)
The reason why : $b a careful collection of many hundreds of reasons for things which, though generally believed, are imperfectly understood. A book of condensed scientific knowledge for the million
Philp, Robert Kemp
896 Gutenberg downloadsen2014Difficulty 86 (Specialist)
A History of Science — Volume 5
Williams, Henry Smith & Williams, Edward Huntington
892 Gutenberg downloadsen2009Difficulty 57 (Graduate)
A History of Science — Volume 2
Williams, Henry Smith & Williams, Edward Huntington
890 Gutenberg downloadsen1999Difficulty 63 (Academic)
Reflections on the Decline of Science in England, and on Some of Its Causes
Babbage, Charles
888 Gutenberg downloadsen1998Difficulty 63 (Academic)
A History of Science — Volume 1
Williams, Henry Smith & Williams, Edward Huntington
878 Gutenberg downloadsen1999Difficulty 65 (Academic)
Famous Men of Science
Bolton, Sarah Knowles
870 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Perpetual Motion
Verance, Percy & Dircks, Henry
869 Gutenberg downloadsen2014Difficulty 65 (Academic)
Common Science
Washburne, Carleton
868 Gutenberg downloadsen2009Difficulty 48 (College)
Wonderful Balloon Ascents; Or, The Conquest of the Skies A History of Balloons and Balloon Voyages
Marion, Fulgence
862 Gutenberg downloadsen1997Difficulty 59 (Graduate)
The Chautauquan, Vol. 05, October 1884, No. 1
Chautauqua Literary and Scientific Circle & Chautauqua Institution
861 Gutenberg downloadsen2017Difficulty 48 (College)
Thunder and Lightning
Flammarion, Camille
855 Gutenberg downloadsen2013Difficulty 49 (College)
A handbook of laboratory glass-blowing
Bolas, Bernard D. (Bernard Dell)
854 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Letters on Astronomy in which the Elements of the Science are Familiarly Explained in Connection with Biographical Sketches of the Most Eminent Astronomers
Olmsted, Denison
853 Gutenberg downloadsen2012Difficulty 59 (Graduate)
Eminent literary and scientific men of Italy, Spain, and Portugal. Vol. 2 (of 3)
Montgomery, James & Shelley, Mary Wollstonecraft
851 Gutenberg downloadsen2021Difficulty 69 (Academic)
Astronomical Curiosities: Facts and Fallacies
Gore, J. Ellard (John Ellard)
850 Gutenberg downloadsen2012Difficulty 54 (Graduate)
The Universe a Vast Electric Organism
Warder, Geo. W. (George Woodward)
850 Gutenberg downloadsen2011Difficulty 59 (Graduate)
The Royal Institution: Its Founder and First Professors
Jones, Bence
845 Gutenberg downloadsen2014Difficulty 52 (Graduate)
The Practical Astronomer Comprising illustrations of light and colours--practical descriptions of all kinds of telescopes--the use of the equatorial-transit--circular, and other astronomical instruments, a particular account of the Earl of Rosse's large telescopes, and other topics connected with astronomy
Dick, Thomas
833 Gutenberg downloadsen2017Difficulty 69 (Academic)
The Unseen World, and Other Essays
Fiske, John
824 Gutenberg downloadsen1998Difficulty 64 (Academic)
Six Lectures on Light Delivered In The United States In 1872-1873
Tyndall, John
823 Gutenberg downloadsen2004Difficulty 63 (Academic)
On the Connexion of the Physical Sciences
Somerville, Mary
818 Gutenberg downloadsen2016Difficulty 89 (Specialist)
Astronomy: The Science of the Heavenly Bodies
Todd, David P. (David Peck)
813 Gutenberg downloadsen2012Difficulty 61 (Academic)
Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966
Lenzen, Victor F. (Victor Fritz) & Multhauf, Robert P.
812 Gutenberg downloadsen2011Difficulty 66 (Academic)
Michael Faraday Third Edition, with Portrait
Gladstone, J. H. (John Hall)
809 Gutenberg downloadsen2014Difficulty 61 (Academic)
Worlds Within Worlds: The Story of Nuclear Energy, Volume 1 (of 3) Atomic Weights; Energy; Electricity
Asimov, Isaac
807 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Memoirs of the Distinguished Men of Science of Great Britain Living in the Years 1807-8
Walker, William
798 Gutenberg downloadsen2018Difficulty 61 (Academic)
Experiments and Observations on Electricity Made at Philadelphia in America
Franklin, Benjamin
793 Gutenberg downloadsen2014Difficulty 54 (Graduate)
The Chautauquan, Vol. 04, October 1883
Chautauqua Literary and Scientific Circle & Chautauqua Institution
792 Gutenberg downloadsen2016Difficulty 50 (College)
Harper's Electricity Book for Boys
Adams, Joseph H. (Joseph Henry)
791 Gutenberg downloadsen2021Difficulty 59 (Graduate)
Curiosities of Science, Past and Present A Book for Old and Young
Timbs, John
790 Gutenberg downloadsen2015Difficulty 66 (Academic)
Curiosities of the Sky
Serviss, Garrett Putman
790 Gutenberg downloadsen2004Difficulty 60 (Graduate)
Einstein, the searcher : $b his work explained from dialogues with Einstein
Moszkowski, Alexander
789 Gutenberg downloadsen2023Difficulty 61 (Academic)
The Telescope
Bell, Louis
788 Gutenberg downloadsen2016Difficulty 66 (Academic)
A Short History of Astronomy
Berry, Arthur
785 Gutenberg downloadsen2019Difficulty 58 (Graduate)
A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
Unknown
784 Gutenberg downloadsen2024Difficulty 60 (Graduate)
Valerius Terminus: Of the Interpretation of Nature
Bacon, Francis
784 Gutenberg downloadsen2002Difficulty 60 (Graduate)
An Introduction to the History of Science
Libby, Walter
777 Gutenberg downloadsen2012Difficulty 62 (Academic)
Experiments and Considerations Touching Colours (1664)
Boyle, Robert
765 Gutenberg downloadsen2004Difficulty 64 (Academic)
Monism as Connecting Religion and Science A Man of Science
Haeckel, Ernst
764 Gutenberg downloadsen2005Difficulty 74 (Expert)
Science for the School and Family, Part I. Natural Philosophy
Hooker, Worthington
764 Gutenberg downloadsen2016Difficulty 49 (College)
The Steam Engine Explained and Illustrated (Seventh Edition) With an Account of Its Invention and Progressive Improvement, and Its Application to Navigation and Railways; Including Also a Memoir of Watt
Lardner, Dionysius
758 Gutenberg downloadsen2013Difficulty 76 (Expert)
The Principle of Relativity
Einstein, Albert & Minkowski, H. (Hermann)
757 Gutenberg downloadsen2021Difficulty 65 (Academic)
Faraday as a Discoverer
Tyndall, John
755 Gutenberg downloadsen1998Difficulty 56 (Graduate)
Voyage to Jupiter
Morrison, David & Samz, Jane
752 Gutenberg downloadsen2019Difficulty 64 (Academic)
A History of Science — Volume 3
Williams, Henry Smith & Williams, Edward Huntington
751 Gutenberg downloadsen1999Difficulty 77 (Expert)
Aether and Gravitation
Hooper, William George
748 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Science in Short Chapters
Williams, W. Mattieu (William Mattieu)
748 Gutenberg downloadsen2017Difficulty 69 (Academic)
Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899
Various
746 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Sir William Herschel: His Life and Works
Holden, Edward S. (Edward Singleton)
743 Gutenberg downloadsen2009Difficulty 56 (Graduate)
The Chautauquan, Vol. 05, June 1885, No. 9
Chautauqua Literary and Scientific Circle & Chautauqua Institution
741 Gutenberg downloadsen2017Difficulty 53 (Graduate)
Little Journeys to the Homes of the Great - Volume 12 Little Journeys to the Homes of Great Scientists
Hubbard, Elbert
740 Gutenberg downloadsen2006Difficulty 47 (College)
Every-day Science: Volume 6. The Conquest of Nature
Williams, Henry Smith & Williams, Edward Huntington
739 Gutenberg downloadsen2013Difficulty 53 (Graduate)
Langley Memoir on Mechanical Flight, Parts I and II Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911
Langley, S. P. (Samuel Pierpont) & Manly, Charles M. (Charles Matthews)
738 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Preliminary Discourse on the Study of Natural Philosophy
Herschel, John F. W. (John Frederick William)
738 Gutenberg downloadsen2017Difficulty 77 (Expert)
Lord Kelvin: An account of his scientific life and work
Gray, Andrew
735 Gutenberg downloadsen2012Difficulty 66 (Academic)
The Herschels and Modern Astronomy
Clerke, Agnes M. (Agnes Mary)
734 Gutenberg downloadsen2021Difficulty 55 (Graduate)
Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
733 Gutenberg downloadsen2006Difficulty 54 (Graduate)
The Scientific Monthly, October to December, 1915
Various
719 Gutenberg downloadsen1997Difficulty 64 (Academic)
A View of Sir Isaac Newton's Philosophy
Pemberton, Henry
713 Gutenberg downloadsen2016Difficulty 63 (Academic)
Man or Matter Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought
Lehrs, Ernst
713 Gutenberg downloadsen2004Difficulty 56 (Graduate)
Response in the Living and Non-Living
Bose, Jagadis Chandra
713 Gutenberg downloadsen2006Difficulty 65 (Academic)
Leonardo da Vinci, Pathfinder of Science
Gillette, Henry S.
712 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained
Marcet, Mrs. (Jane Haldimand) & Jones, Thomas P.
711 Gutenberg downloadsen2011Difficulty 50 (College)
The Study of Elementary Electricity and Magnetism by Experiment Containing Two Hundred Experiments Performed with Simple, Home-made Apparatus
St. John, Thomas M. (Thomas Matthew)
710 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Appletons' Popular Science Monthly, December 1899 Vol. LVI, November, 1899 to April, 1900
Various
705 Gutenberg downloadsen2014Difficulty 72 (Expert)
Maria Mitchell: Life, Letters, and Journals
Mitchell, Maria
699 Gutenberg downloadsen2003Difficulty 56 (Graduate)
Hawkins Electrical Guide v. 01 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
695 Gutenberg downloadsen2011Difficulty 66 (Academic)
Astronomy Explained Upon Sir Isaac Newton's Principles And made easy to those who have not studied mathematics
Ferguson, James
693 Gutenberg downloadsen2019Difficulty 52 (Graduate)
The Plurality of Worlds
Whewell, William
693 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Scientific American Supplement, No. 365, December 30, 1882
Various
690 Gutenberg downloadsen2006Difficulty 57 (Graduate)
Sidelights on Relativity
Einstein, Albert
690 Gutenberg downloadsen2005Difficulty 69 (Academic)
Soap-Bubbles and the Forces Which Mould Them
Boys, C. V. (Charles Vernon)
690 Gutenberg downloadsen2010Difficulty 48 (College)
Side-Lights on Astronomy and Kindred Fields of Popular Science
Newcomb, Simon
687 Gutenberg downloadsen2003Difficulty 50 (College)
Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work
Warren, Henry White
681 Gutenberg downloadsen2005Difficulty 50 (College)
Lightning Conductors: Their History, Nature, and Mode of Application
Anderson, Richard, F.C.S.
677 Gutenberg downloadsen2017Difficulty 58 (Graduate)
Mariner Mission to Venus
Jet Propulsion Laboratory (U.S.)
674 Gutenberg downloadsen2017Difficulty 64 (Academic)
Worlds Within Worlds: The Story of Nuclear Energy, Volume 3 (of 3) Nuclear Fission; Nuclear Fusion; Beyond Fusion
Asimov, Isaac
672 Gutenberg downloadsen2015Difficulty 62 (Academic)
Essays: Scientific, Political, & Speculative; Vol. 2 of 3 Library Edition (1891), Containing Seven Essays not before Republished, and Various other Additions.
Spencer, Herbert
670 Gutenberg downloadsen2016Difficulty 67 (Academic)
Photographs of Nebulæ and Clusters, Made with the Crossley Reflector
Keeler, James Edward
670 Gutenberg downloadsen2011Difficulty 57 (Graduate)
The Ether of Space
Lodge, Oliver, Sir
669 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Endless Amusement A Collection of Nearly 400 Entertaining Experiments in Various Branches of Science; Including Acoustics, Electricity, Magnetism, Arithmetic, Hydraulics, Mechanics, Chemistry, Hydrostatics, Optics; Wonders of the Air-Pump; All the Popular Tricks and Changes of the Cards, &c., &c. to Which is Added, a Complete System of Pyrotechny; Or, the Art of Making Fire-works.
Unknown
668 Gutenberg downloadsen2010Difficulty 100 (Quantum Electrodynamics)
The New Physics and Its Evolution
Poincaré, Lucien
663 Gutenberg downloadsen2005Difficulty 81 (Specialist)
Pleasant Ways in Science
Proctor, Richard A. (Richard Anthony)
660 Gutenberg downloadsen2017Difficulty 59 (Graduate)
Scientific American Supplement, No. 598, June 18, 1887
Various
660 Gutenberg downloadsen2004Difficulty 50 (College)
Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
658 Gutenberg downloadsen2012Difficulty 60 (Graduate)
The A B C of Relativity
Russell, Bertrand
658 Gutenberg downloadsen2022Difficulty 55 (Graduate)
Harper's New Monthly Magazine, Volume 2, No. 12, May, 1851.
Various
657 Gutenberg downloadsen2010Difficulty 55 (Graduate)
The Fourth Dimension
Hinton, Charles Howard
654 Gutenberg downloadsen2022Difficulty 52 (Graduate)
On the various forces of nature and their relations to each other
Faraday, Michael
653 Gutenberg downloadsen2016Difficulty 50 (College)
Telescopic Work for Starlight Evenings
Denning, William F. (William Frederick)
651 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Hawkins Electrical Guide v. 03 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
649 Gutenberg downloadsen2015Difficulty 68 (Academic)
Microscopes and Accessory Apparatus: Catalogue No. 40
Leitz, Ernst
648 Gutenberg downloadsen2011Difficulty 61 (Academic)
The Popular Science Monthly, September, 1900 Vol. 57, May, 1900 to October, 1900
Various
648 Gutenberg downloadsen2014Difficulty 77 (Expert)
Astronomical Myths: Based on Flammarions's "History of the Heavens"
Blake, J. F. (John Frederick) & Flammarion, Camille
647 Gutenberg downloadsen2011Difficulty 57 (Graduate)
The Chautauquan, Vol. 05, April 1885
Chautauqua Literary and Scientific Circle & Chautauqua Institution
642 Gutenberg downloadsen2017Difficulty 54 (Graduate)
The Mechanism of Life
Leduc, Stéphane
640 Gutenberg downloadsen2010Difficulty 63 (Academic)
Little Masterpieces of Science: Invention and Discovery
Unknown
639 Gutenberg downloadsen2009Difficulty 60 (Graduate)
Mechanics of the Household A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances
Keene, E. S. (Edward Spencer)
636 Gutenberg downloadsen2016Difficulty 65 (Academic)
Experimental Determination of the Velocity of Light Made at the U.S. Naval Academy, Annapolis
Michelson, Albert A. (Albert Abraham)
635 Gutenberg downloadsen2004Difficulty 49 (College)
Cours de philosophie positive. (2/6)
Comte, Auguste
632 Gutenberg downloadsfr2010
How It Flies; or, The Conquest of the Air The Story of Man's Endeavors to Fly and of the Inventions by Which He Has Succeeded
Ferris, Richard
632 Gutenberg downloadsen2017Difficulty 51 (Graduate)
A Discourse Presented to the Most Serene Don Cosimo II., Great Duke of Tuscany, Concerning the Natation of Bodies Vpon, and Submersion In, the Water.
Galilei, Galileo
631 Gutenberg downloadsen2011Difficulty 67 (Academic)
Appletons' Popular Science Monthly, April 1900 Vol. 56, Nov. 1899 to April, 1900
Various
631 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Outlines of Creation
Noyce, Elisha
631 Gutenberg downloadsen2015Difficulty 68 (Academic)
Scientific American Supplement, No. 460, October 25, 1884
Various
630 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
628 Gutenberg downloadsen2005Difficulty 59 (Graduate)
Pumps and Hydraulics, Part 1 (of 2)
Hawkins, N. (Nehemiah)
627 Gutenberg downloadsen2018Difficulty 50 (College)
Sound
Tyndall, John
621 Gutenberg downloadsen2017Difficulty 72 (Expert)
The Splash of a Drop
Worthington, A. M. (Arthur Mason)
615 Gutenberg downloadsen2008Difficulty 52 (Graduate)
Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments
Serviss, Garrett Putman
610 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Naturgeschichte einer Kerze : $b Sechs Vorlesungen für die Jugend; Mit einem Lebensabriß Faraday's
Faraday, Michael
608 Gutenberg downloadsde2023
Rough Ways Made Smooth: A series of familiar essays on scientific subjects
Proctor, Richard A. (Richard Anthony)
608 Gutenberg downloadsen2017Difficulty 63 (Academic)
Henri Poincaré: Biographie, Bibliographie Analytique des Écrits
Lebon, Ernest
607 Gutenberg downloadsfr2010
Memoirs of the life of David Rittenhouse, LLD. F.R.S., late president of the American Philosophical Society, &c. : $b interspersed with various notices of many distinguished men : with an appendix, containing sundry philosophical and other papers, most of which have not hitherto been published
Barton, William
607 Gutenberg downloadsen2023Difficulty 68 (Academic)
Philosophy in Sport Made Science in Earnest Being an Attempt to Illustrate the First Principles of Natural Philosophy by the Aid of Popular Toys and Sports
Paris, John Ayrton
606 Gutenberg downloadsen2014Difficulty 69 (Academic)
The Einstein Theory of Relativity: A Concise Statement
Lorentz, H. A. (Hendrik Antoon)
605 Gutenberg downloadsen2004Difficulty 63 (Academic)
Heroes of Science: Physicists
Garnett, William
604 Gutenberg downloadsen2012Difficulty 61 (Academic)
Natural Philosophy
Ostwald, Wilhelm
604 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Records of Steam Boiler Explosions
Marten, Edward Bindon
601 Gutenberg downloadsen2014Difficulty 61 (Academic)
On Laboratory Arts
Threlfall, Richard
600 Gutenberg downloadsen2007Difficulty 54 (Graduate)
周髀算經
Unknown
599 Gutenberg downloadszh2004
Miscellanea Curiosa, Vol. 1 Containing a collection of some of the principal phaenomena in nature, accounted for by the greatest philosophers of this age
Unknown
598 Gutenberg downloadsen2015Difficulty 61 (Academic)
The Substance of Faith Allied with Science (6th Ed.) A Catechism for Parents and Teachers
Lodge, Oliver, Sir
598 Gutenberg downloadsen2015Difficulty 61 (Academic)
Scientific American Supplement, No. 388, June 9, 1883
Various
594 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Philosophical transactions, Vol. L. Part II. For the year 1758. Giving some account of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world.
Various & Royal Society (Great Britain)
593 Gutenberg downloadsen2022Difficulty 49 (College)
Sir Christopher Wren : $b Scientist, scholar and architect
Weaver, Lawrence
593 Gutenberg downloadsen2023Difficulty 52 (Graduate)
Time and Tide: A Romance of the Moon
Ball, Robert S. (Robert Stawell)
593 Gutenberg downloadsen2008Difficulty 52 (Graduate)
Untersuchungen über die radioaktiven Substanzen von Marie Curie, übersetzt und mit Litteratur-Ergänzungen versehen von W. Kaufmann
Curie, Marie
592 Gutenberg downloadsde2011
A-B-C of Electricity
Meadowcroft, Wm. H. (William Henry)
591 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Electricity and Magnetism
Gray, Elisha
590 Gutenberg downloadsen2010Difficulty 52 (Graduate)
New Theories in Astronomy
Stirling, William
589 Gutenberg downloadsen2014Difficulty 63 (Academic)
A Guide to the Scientific Knowledge of Things Familiar
Brewer, Ebenezer Cobham
587 Gutenberg downloadsen2012Difficulty 46 (College)
A Study of Splashes
Worthington, A. M. (Arthur Mason)
586 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes
Bernstein, Aaron David
586 Gutenberg downloadsen2011Difficulty 50 (College)
Scientific American Supplement, No. 586, March 26, 1887
Various
586 Gutenberg downloadsen2004Difficulty 51 (Graduate)
Conversations on the Plurality of Worlds
Fontenelle, M. de (Bernard Le Bovier)
585 Gutenberg downloadsen2021Difficulty 62 (Academic)
Lectures on Stellar Statistics
Charlier, C. V. L. (Carl Vilhelm Ludwig)
582 Gutenberg downloadsen2007Difficulty 57 (Graduate)
The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
Various
581 Gutenberg downloadsen2014Difficulty 75 (Expert)
The Royal Observatory, Greenwich: A Glance at Its History and Work
Maunder, E. Walter (Edward Walter)
581 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Time and Its Measurement
Arthur, James
581 Gutenberg downloadsen2014Difficulty 50 (College)
Scientific American Supplement, No. 458, October 11, 1884
Various
579 Gutenberg downloadsen2004Difficulty 58 (Graduate)
Kepler
Bryant, Walter W. (Walter William)
577 Gutenberg downloadsen2004Difficulty 65 (Academic)
The uses of astronomy : $b An oration delivered at Albany on the 28th of July, 1856
Everett, Edward
577 Gutenberg downloadsen2005Difficulty 60 (Graduate)
Appletons' Popular Science Monthly, February 1900 Vol. 56, November, 1899 to April, 1900
Various
576 Gutenberg downloadsen2014Difficulty 62 (Academic)
Radio-Activity
Rutherford, Ernest
573 Gutenberg downloadsen2021Difficulty 65 (Academic)
Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to April, 1900
Various
572 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Boys' second book of inventions
Baker, Ray Stannard
569 Gutenberg downloadsen2013Difficulty 57 (Graduate)
Scientific American Supplement, No. 623, December 10, 1887
Various
569 Gutenberg downloadsen2005Difficulty 60 (Graduate)
The Library of Work and Play: Electricity and Its Everyday Uses
Woodhull, John F. (John Francis)
569 Gutenberg downloadsen2014Difficulty 48 (College)
Scientific American Supplement, No. 481, March 21, 1885
Various
567 Gutenberg downloadsen2004Difficulty 55 (Graduate)
How to Do Mechanical Tricks Containing Complete Instruction for Performing Over Sixty Ingenious Mechanical Tricks
Anderson, A., active 1894-1902
565 Gutenberg downloadsen2018Difficulty 44 (College)
Comets and Meteors Their phenomena in all ages; their mutual relations; and the theory of their origin.
Kirkwood, Daniel
562 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Meteoric astronomy: A treatise on shooting-stars, fire-balls, and aerolites
Kirkwood, Daniel
561 Gutenberg downloadsen2013Difficulty 59 (Graduate)
Scientific American Supplement, No. 288, July 9, 1881
Various
561 Gutenberg downloadsen2005Difficulty 58 (Graduate)
The Seven Follies of Science [2nd ed.] A popular account of the most famous scientific impossibilities and the attempts which have been made to solve them. To which is added a small budget of interesting paradoxes, illusions, and marvels
Phin, John
561 Gutenberg downloadsen2011Difficulty 63 (Academic)
James Clerk Maxwell and Modern Physics
Glazebrook, Richard
557 Gutenberg downloadsen2021Difficulty 52 (Graduate)
McClure's Magazine, Vol. 6, No. 5, April, 1896
Various
555 Gutenberg downloadsen2005Difficulty 51 (Graduate)
Astronomy and General Physics Considered with Reference to Natural Theology
Whewell, William
553 Gutenberg downloadsen2021Difficulty 57 (Graduate)
The calculating engine
Babbage, Charles
553 Gutenberg downloadsen2023Difficulty 71 (Expert)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, II. Band Von Galilei bis zur Mitte des XVIII. Jahrhunderts
Dannemann, Friedrich
552 Gutenberg downloadsde2017
The Academic Gregories
Stewart, Agnes Grainger
551 Gutenberg downloadsen2016Difficulty 59 (Graduate)
The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity
Conn, H. W. (Herbert William)
550 Gutenberg downloadsen2005Difficulty 58 (Graduate)
Waves and ripples in water, air, and æther : $b Being a course of Christmas lectures delivered at the Royal Institution of Great Britain
Fleming, J. A. (John Ambrose), Sir
549 Gutenberg downloadsen2023Difficulty 61 (Academic)
The Machinery of the Universe: Mechanical Conceptions of Physical Phenomena
Dolbear, A. E. (Amos Emerson)
543 Gutenberg downloadsen2009Difficulty 70 (Academic)
Scientific American Supplement, No. 446, July 19, 1884
Various
542 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Stargazing: Past and Present
Lockyer, Norman, Sir
540 Gutenberg downloadsen2016Difficulty 50 (College)
Michael Faraday, Man of Science
Jerrold, Walter
539 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Signalling across space without wires being a description of the work of Hertz & his successors
Lodge, Oliver, Sir
534 Gutenberg downloadsen2022Difficulty 60 (Graduate)
From Newton to Einstein: Changing Conceptions of the Universe
Harrow, Benjamin
533 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Scientific American Supplement, No. 595, May 28, 1887
Various
532 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Outlines of a mechanical theory of storms : $b containing the true law of lunar influence, with practical instructions to the navigator, to enable him approximately to calculate the coming changes of the wind and weather, for any given day, and for any part of the ocean
Bassnett, Thomas
531 Gutenberg downloadsen2006Difficulty 68 (Academic)
LRL Accelerators, The 184-Inch Synchrocyclotron
Lawrence Radiation Laboratory
530 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Roentgen Rays and Phenomena of the Anode and Cathode.
Thompson, Edward P. (Edward Pruden)
530 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Catechism of the locomotive
Forney, Matthias N. (Matthias Nace) & Kosak, Georg
528 Gutenberg downloadsen2025Difficulty 51 (Graduate)
Memoir and Correspondence of Caroline Herschel
Herschel, John, Mrs.
528 Gutenberg downloadsen2016Difficulty 60 (Graduate)
The Story of Electricity
Munro, John
528 Gutenberg downloadsen2003Difficulty 57 (Graduate)
Steam, Steel and Electricity
Steele, James W.
527 Gutenberg downloadsen2005Difficulty 50 (College)
The Letter of Petrus Peregrinus on the Magnet, A.D. 1269
Pierre, de Maricourt, active 13th century
527 Gutenberg downloadsen2015Difficulty 62 (Academic)
Worlds in the making: The evolution of the universe
Arrhenius, Svante
527 Gutenberg downloadsen2022Difficulty 53 (Graduate)
Invention and Discovery: Curious Facts and Characteristic Sketches
Anonymous
526 Gutenberg downloadsen2014Difficulty 60 (Graduate)
A Brief History of Element Discovery, Synthesis, and Analysis
Watson, Glen W.
524 Gutenberg downloadsen2010Difficulty 65 (Academic)
Letters on Natural Magic; Addressed to Sir Walter Scott, Bart.
Brewster, David
524 Gutenberg downloadsen2016Difficulty 80 (Expert)
Practical Talks by an Astronomer
Jacoby, Harold
524 Gutenberg downloadsen2016Difficulty 56 (Graduate)
Scientific American Supplement, No. 363, December 16, 1882
Various
524 Gutenberg downloadsen2005Difficulty 62 (Academic)
The Chautauquan, Vol. 04, November 1883 A Monthly Magazine Devoted to the Promotion of True Culture. Organ of the Chautauqua Literary and Scientific Circle.
Chautauqua Literary and Scientific Circle & Chautauqua Institution
524 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The Relations of Science and Religion The Morse Lecture, 1880
Calderwood, Henry
523 Gutenberg downloadsen2011Difficulty 72 (Expert)
Scientific American Supplement, No. 520, December 19, 1885
Various
522 Gutenberg downloadsen2004Difficulty 56 (Graduate)
Scientific American Supplement, No. 530, February 27, 1886
Various
522 Gutenberg downloadsen2004Difficulty 58 (Graduate)
A New Era of Thought
Hinton, Charles Howard
521 Gutenberg downloadsen2019Difficulty 53 (Graduate)
The laws of contrast of colour : $b and their application to the arts of painting, decoration of buildings, mosaic work, tapestry and carpet weaving, calico printing, dress, paper staining, printing, military clothing, illumination, landscape, and flower gardening, &c.
Chevreul, M. E. (Michel Eugène)
521 Gutenberg downloadsen2025Difficulty 64 (Academic)
Scientific American Supplement, No. 717, September 28, 1889
Various
518 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Astronomical Discovery
Turner, H. H. (Herbert Hall)
516 Gutenberg downloadsen2010Difficulty 57 (Graduate)
The Miner's Friend; Or, An Engine to Raise Water by Fire
Savery, Thomas
516 Gutenberg downloadsen2014Difficulty 66 (Academic)
La Radiologie et La Guerre
Curie, Marie
515 Gutenberg downloadsfr2013
On-Line Data-Acquisition Systems in Nuclear Physics, 1969
National Research Council (U.S.). Ad Hoc Panel on On-line Computers in Nuclear Research
515 Gutenberg downloadsen2013Difficulty 64 (Academic)
The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co. Also, Facts and General Information Relating to Pneumatic Despatch Tubes
Batcheller, Birney C. (Birney Clark)
513 Gutenberg downloadsen2020Difficulty 58 (Graduate)
Scientific American Supplement, No. 492, June 6, 1885
Various
512 Gutenberg downloadsen2004Difficulty 53 (Graduate)
The Children's Book of Stars
Mitton, G. E. (Geraldine Edith)
512 Gutenberg downloadsen2009Difficulty 50 (College)
A Historical Account of Useful Inventions and Scientific Discoveries Being a manual of instruction and entertainment.
Grant, George
511 Gutenberg downloadsen2016Difficulty 62 (Academic)
Scientific American Supplement, No. 488, May 9, 1885
Various
511 Gutenberg downloadsen2008Difficulty 50 (College)
Spinning Tops The "Operatives' Lecture" of the British Association Meeting at Leeds, 6th September, 1890
Perry, John
511 Gutenberg downloadsen2010Difficulty 56 (Graduate)
On Molecular and Microscopic Science, Volume 1 (of 2)
Somerville, Mary
509 Gutenberg downloadsen2017Difficulty 61 (Academic)
Scientific American Supplement, No. 795, March 28, 1891
Various
509 Gutenberg downloadsen2004Difficulty 62 (Academic)
Einstein and the universe: A popular exposition of the famous theory
Nordmann, Charles
508 Gutenberg downloadsen2022Difficulty 58 (Graduate)
The Source and Mode of Solar Energy Throughout the Universe
Heysinger, Isaac W. (Isaac Winter)
507 Gutenberg downloadsen2018Difficulty 66 (Academic)
Radio-Active Substances
Curie, Marie
504 Gutenberg downloadsen2019Difficulty 63 (Academic)
Scientific American Supplement, No. 483, April 4, 1885
Various
504 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Worlds Within Worlds: The Story of Nuclear Energy, Volume 2 (of 3) Mass and Energy; The Neutron; The Structure of the Nucleus
Asimov, Isaac
504 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Careers in Atomic Energy
McIlhenny, Loyce J.
501 Gutenberg downloadsen2013Difficulty 68 (Academic)
Essays on the Microscope Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc.
Adams, George
500 Gutenberg downloadsen2020Difficulty 62 (Academic)
L'A. B. C. de l'aviation: Biplans et monoplans
Gastine, Louis
499 Gutenberg downloadsfr2010
Hertzian Wave Wireless Telegraphy
Fleming, J. A. (John Ambrose), Sir
498 Gutenberg downloadsen2012Difficulty 67 (Academic)
The Scientific Basis of National Progress, Including that of Morality
Gore, George
498 Gutenberg downloadsen2010Difficulty 70 (Academic)
Scientific Studies; or, Practical, in Contrast with Chimerical Pursuits
Dircks, Henry
497 Gutenberg downloadsen2013Difficulty 63 (Academic)
Radioisotopes in Medicine
Phelan, Earl W.
496 Gutenberg downloadsen2015Difficulty 64 (Academic)
Scientific American Supplement, No. 392, July 7, 1883
Various
496 Gutenberg downloadsen2005Difficulty 63 (Academic)
Flying Machines Today
Ennis, William D. (William Duane)
495 Gutenberg downloadsen2016Difficulty 61 (Academic)
Pioneer Saturn Encounter
United States. National Aeronautics and Space Administration
495 Gutenberg downloadsen2017Difficulty 62 (Academic)
The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action
Dolbear, A. E. (Amos Emerson)
494 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Scientific American Supplement, No. 385, May 19, 1883
Various
493 Gutenberg downloadsen2005Difficulty 58 (Graduate)
Star-land: Being Talks With Young People About the Wonders of the Heavens
Ball, Robert S. (Robert Stawell)
493 Gutenberg downloadsen2019Difficulty 46 (College)
The story of the sun, moon, and stars
Giberne, Agnes
493 Gutenberg downloadsen2025Difficulty 47 (College)
Friction, Lubrication and the Lubricants in Horology
Lewis, W. T. (William T.)
492 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Scientific American Supplement, No. 787, January 31, 1891
Various
492 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Scientific American Supplement, No. 470, January 3, 1885
Various
490 Gutenberg downloadsen2004Difficulty 52 (Graduate)
God and the World: A Survey of Thought
Robinson, Arthur William
489 Gutenberg downloadsen2009Difficulty 60 (Graduate)
The Ways of the Planets
Martin, Martha Evans
489 Gutenberg downloadsen2016Difficulty 53 (Graduate)
An original theory or new hypothesis of the universe $b founded upon the laws of nature, and solving by mathematical principles the general phænomena of the visible creation; and particularly the via lactea ...
Wright, Thomas
488 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Atoms, Nature, and Man: Man-made Radioactivity in the Environment
Hines, Neal O.
488 Gutenberg downloadsen2015Difficulty 68 (Academic)
The Copernicus of Antiquity (Aristarchus of Samos)
Heath, Thomas Little, Sir
488 Gutenberg downloadsen2018Difficulty 59 (Graduate)
The Relations Between Religion and Science Eight Lectures Preached Before the University of Oxford in the Year 1884
Temple, Frederick
487 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Elémens de la philosophie de Neuton: Mis à la portée de tout le monde
Voltaire
486 Gutenberg downloadsfr2015
The Wonders of Optics
Marion, Fulgence
485 Gutenberg downloadsen2021Difficulty 51 (Graduate)
Joseph Smith as Scientist: A Contribution to Mormon Philosophy
Widtsoe, John Andreas
484 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Scientific American Supplement, No. 275, April 9, 1881
Various
484 Gutenberg downloadsen2005Difficulty 57 (Graduate)
夢溪筆談, Volume 07-10
Shen, Kuo
484 Gutenberg downloadszh2005
Scientific American Supplement, No. 299, September 24, 1881
Various
483 Gutenberg downloadsen2005Difficulty 60 (Graduate)
International Language and Science Considerations on the Introduction of an International Language into Science
Pfaundler von Hadermur, Leopold & Couturat, Louis & Jespersen, Otto & Lorenz, Richard & Ostwald, Wilhelm
482 Gutenberg downloadsen2017Difficulty 65 (Academic)
Voyager 1 Encounters Saturn
United States. National Aeronautics and Space Administration
482 Gutenberg downloadsen2017Difficulty 62 (Academic)
Curiosities of Light and Sight
Bidwell, Shelford
481 Gutenberg downloadsen2012Difficulty 59 (Graduate)
The Autobiography of an Electron Wherein the Scientific Ideas of the Present Time Are Explained in an Interesting and Novel Fashion
Gibson, Charles R. (Charles Robert)
481 Gutenberg downloadsen2011Difficulty 50 (College)
The celestial worlds discover'd : $b or, conjectures concerning the inhabitants, plants and productions of the worlds in the planets
Huygens, Christiaan
481 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Man's Place in the Universe A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition
Wallace, Alfred Russel
480 Gutenberg downloadsen2012Difficulty 71 (Expert)
Scientific American Supplement, No. 433, April 19, 1884
Various
480 Gutenberg downloadsen2005Difficulty 66 (Academic)
The Popular Science Monthly, July, 1900 Vol. 57, May, 1900 to October, 1900
Various
480 Gutenberg downloadsen2014Difficulty 56 (Graduate)
Beschrijving van het Rijks-Planetarium te Franeker Van 1772 tot 1780 uitgedacht en vervaardigd door Eise Eisinga
Swinden, Jan Hendrik van & Eekhoff, W. (Wopke)
479 Gutenberg downloadsnl2020
Light Science for Leisure Hours A series of familiar essays on scientific subjects, natural phenomena, &c.
Proctor, Richard A. (Richard Anthony)
478 Gutenberg downloadsen2017Difficulty 60 (Graduate)
Scientific American Supplement, No. 286, June 25, 1881
Various
477 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Conduction, Electric" Volume 6, Slice 8
Various
475 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Liquid Drops and Globules, Their Formation and Movements Three lectures delivered to popular audiences
Darling, Charles R. (Charles Robert)
473 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Scientific American Supplement No. 819, September 12, 1891
Various
473 Gutenberg downloadsen2005Difficulty 59 (Graduate)
The art of glass-blowing : $b or Plain instructions for making the chemical and philosophical instruments which are formed of glass
Danger, T.-P.
471 Gutenberg downloadsen2017Difficulty 63 (Academic)
The Evolution of Worlds
Lowell, Percival
471 Gutenberg downloadsen2020Difficulty 55 (Graduate)
La maniere d'amolir les os, et de faire cuire toutes sortes de viandes en fort peu de temps, & à peu de frais.
Papin, Denis
469 Gutenberg downloadsfr2016
Lives of the electricians : $b Professors Tyndall, Wheatstone, and Morse.
Jeans, William T.
469 Gutenberg downloadsen2024Difficulty 70 (Academic)
The Second Boys' Book of Model Aeroplanes
Collins, Francis A. (Francis Arnold)
468 Gutenberg downloadsen2020Difficulty 50 (College)
Easy lessons in Einstein : $b A discussion of the more intelligible features of the theory of relativity
Slosson, Edwin E. (Edwin Emery)
466 Gutenberg downloadsen2025Difficulty 50 (College)
Die Welträtsel: Gemeinverständliche Studien über Monistische Philosophie
Haeckel, Ernst
465 Gutenberg downloadsde2019
Scientific American Supplement, No. 829, November 21, 1891
Various
465 Gutenberg downloadsen2005Difficulty 63 (Academic)
Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science
Buckley, Arabella B. (Arabella Burton)
463 Gutenberg downloadsen2011Difficulty 58 (Graduate)
A Project for Flying: In Earnest at Last!
Hardley, Robert
462 Gutenberg downloadsen2004Difficulty 66 (Academic)
Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
462 Gutenberg downloadsen2012Difficulty 57 (Graduate)
The New Heavens
Hale, George Ellery
462 Gutenberg downloadsen2006Difficulty 63 (Academic)
Scientific American Supplement, No. 303, October 22, 1881
Various
460 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Electricity
McCormick, W. H. (William Henry)
459 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Satellite Communications Physics
Unknown
459 Gutenberg downloadsen2020Difficulty 65 (Academic)
Auroræ: Their Characters and Spectra
Capron, J. Rand
458 Gutenberg downloadsen2017Difficulty 52 (Graduate)
The atom and the Bohr theory of its structure : $b an elementary presentation
Holst, Helge & Kramers, Hendrik Anthony
458 Gutenberg downloadsen2023Difficulty 65 (Academic)
L'Académie des sciences et les académiciens de 1666 à 1793
Bertrand, Joseph
457 Gutenberg downloadsfr2016
Le Téléphone, le Microphone et le Phonographe
Du Moncel, Th., comte
457 Gutenberg downloadsfr2008
The Heavens Above: A Popular Handbook of Astronomy
Gillet, J. A. (Joseph Anthony) & Rolfe, W. J. (William James)
457 Gutenberg downloadsen2019Difficulty 51 (Graduate)
The Trouvelot astronomical drawings manual
Trouvelot, E. L. (Etienne Leopold)
456 Gutenberg downloadsen2022Difficulty 61 (Academic)
Whole Body Counters
Woodburn, John H. & Lengemann, F. W. (Frederick W.)
456 Gutenberg downloadsen2015Difficulty 64 (Academic)
Scientific American Supplement, No. 711, August 17, 1889
Various
455 Gutenberg downloadsen2005Difficulty 61 (Academic)
An Account of the Late Improvements in Galvanism With a Series of Curious and Interesting Experiments Performed Before the Commissioners of the French National Institute, and Repeated Lately in the Anatomical Theatres of London
Aldini, Giovanni
453 Gutenberg downloadsen2018Difficulty 64 (Academic)
Scientific American Supplement, No. 455, September 20, 1884
Various
451 Gutenberg downloadsen2004Difficulty 57 (Graduate)
La terre et la lune: forme extérieure et structure interne
Puiseux, P. (Pierre Henri)
450 Gutenberg downloadsfr2009
Scientific American Supplement, No. 384, May 12, 1883
Various
449 Gutenberg downloadsen2005Difficulty 46 (College)
Scientific American Supplement, No. 803, May 23, 1891
Various
449 Gutenberg downloadsen2004Difficulty 52 (Graduate)
The Science of the Stars
Maunder, E. Walter (Edward Walter)
449 Gutenberg downloadsen2015Difficulty 48 (College)
A Treatise on Mechanics
Kater, Henry & Lardner, Dionysius
448 Gutenberg downloadsen2021Difficulty 60 (Graduate)
Catholic Churchmen in Science [First Series] Sketches of the Lives of Catholic Ecclesiastics Who Were Among the Great Founders in Science
Walsh, James J. (James Joseph)
447 Gutenberg downloadsen2010Difficulty 67 (Academic)
Warum und Weil. Physikalischer Teil. Fragen und Antworten aus den wichtigsten Gebieten der gesammten Naturlehre.
Ule, Otto
447 Gutenberg downloadsde2020
Five of Maxwell's Papers
Maxwell, James Clerk
445 Gutenberg downloadsen2004Difficulty 63 (Academic)
Leçons de cosmographie à l'usage des lycées et collèges et de tous les établissements d'instruction publique
Guilmin, A. (Adrien)
445 Gutenberg downloadsfr2007
The Natural Philosophy of William Gilbert and His Predecessors
King, W. James (William James)
445 Gutenberg downloadsen2010Difficulty 61 (Academic)
A Brief Account of Radio-activity
Venable, F. P. (Francis Preston)
441 Gutenberg downloadsen2010Difficulty 63 (Academic)
Central-Station Electric Lighting With Notes on the Methods Used for the Distribution of Electricity
Hedges, Killingworth
440 Gutenberg downloadsen2020Difficulty 62 (Academic)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, IV. Band Das Emporblühen der modernen Naturwissenschaften seit der Entdeckung des Energieprinzips
Dannemann, Friedrich
440 Gutenberg downloadsde2019
Experiments and Observations Relative to the Influence Lately Discovered by M. Galvani and Commonly Called Animal Electricity
Fowler, Richard
439 Gutenberg downloadsen2014Difficulty 64 (Academic)
The Earliest Electromagnetic Instruments
Chipman, Robert A.
439 Gutenberg downloadsen2010Difficulty 76 (Expert)
First Lessons in Natural Philosophy for Beginners
Martindale, Joseph C. (Joseph Comly)
438 Gutenberg downloadsen2016Difficulty 31 (High School)
Practical Hand Book of Gas, Oil and Steam Engines Stationary, Marine, Traction; Gas Burners, Oil Burners, Etc.; Farm, Traction, Automobile, Locomotive; A simple, practical and comprehensive book on the construction, operation and repair of all kinds of engines. Dealing with the various parts in detail and the various types of engines and also the use of different kinds of fuel.
Rathbun, John B.
438 Gutenberg downloadsen2018Difficulty 71 (Expert)
Scientific American Supplement, No. 611, September 17, 1887
Various
438 Gutenberg downloadsen2005Difficulty 50 (College)
Aeroplanes
Zerbe, James Slough
437 Gutenberg downloadsen1998Difficulty 46 (College)
Comet Lore: Halley's Comet in History and Astronomy
Emerson, Edwin
436 Gutenberg downloadsen2021Difficulty 51 (Graduate)
Facts and fancies in modern science Studies of the relations of science to prevalent speculations and religious belief
Dawson, John William, Sir
435 Gutenberg downloadsen2013Difficulty 62 (Academic)
Appletons' Popular Science Monthly, May, 1900 Vol. 57, May, 1900 to October, 1900
Various
434 Gutenberg downloadsen2014Difficulty 60 (Graduate)
The logic of modern physics
Bridgman, P. W. (Percy Williams)
433 Gutenberg downloadsen2023Difficulty 70 (Academic)
The Destinies of the Stars
Arrhenius, Svante
432 Gutenberg downloadsen2018Difficulty 54 (Graduate)
Where Science and Religion Meet
Palmer, William Scott
432 Gutenberg downloadsen2016Difficulty 51 (Graduate)
Astronomical Instruments and Accessories
William Gaertner and Company
431 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Galileo and His Judges
Wegg-Prosser, F. R. (Francis Richard)
431 Gutenberg downloadsen2020Difficulty 68 (Academic)
Lehrbuch der Physik zum Schulgebrauche.
Winter, Wilhelm
429 Gutenberg downloadsde2017
The universe around us
Jeans, James
429 Gutenberg downloadsen2025Difficulty 62 (Academic)
De Wonderbouw der Wereld : $b De Grondslagen van Ons Sterrekundig Wereldbeeld Populair Uiteengezet
Pannekoek, Anton
428 Gutenberg downloadsnl2019
On a Dynamical Top, for exhibiting the phenomena of the motion of a system of invariable form about a fixed point, with some suggestions as to the Earth's motion
Maxwell, James Clerk
428 Gutenberg downloadsen2004Difficulty 61 (Academic)
An epitome of electricity & galvanism
Green, Jacob & Hazard, Erskine
427 Gutenberg downloadsen2024Difficulty 67 (Academic)
Ancient and Modern Physics
Willson, Thomas Edgar
427 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Scientific American Supplement, No. 467, December 13, 1884
Various
427 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Scientific American Supplement, No. 648, June 2, 1888.
Various
427 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Stars and atoms
Eddington, Arthur Stanley, Sir
427 Gutenberg downloadsen2024Difficulty 54 (Graduate)
Astronomy in a nutshell : $b The chief facts and principles explained in popular language for the general reader and for schools
Serviss, Garrett Putman
426 Gutenberg downloadsen2023Difficulty 60 (Graduate)
Daedalus : $b or, Science and the future
Haldane, J. B. S. (John Burdon Sanderson)
426 Gutenberg downloadsen2023Difficulty 58 (Graduate)
Scientific American Supplement, No. 417, December 29, 1883
Various
426 Gutenberg downloadsen2005Difficulty 65 (Academic)
Artificial and Natural Flight
Maxim, Hiram S. (Hiram Stevens)
425 Gutenberg downloadsen2014Difficulty 53 (Graduate)
The telephone, the microphone & the phonograph
Du Moncel, Th., comte
425 Gutenberg downloadsen2025Difficulty 66 (Academic)
Der Vogelflug als Grundlage der Fliegekunst Ein Beitrag zur Systematik der Flugtechnik
Lilienthal, Otto
423 Gutenberg downloadsde2017
Home-made Electrical Apparatus
Morgan, Alfred Powell
423 Gutenberg downloadsen2020Difficulty 46 (College)
Icarus : $b or, The future of science
Russell, Bertrand
422 Gutenberg downloadsen2021Difficulty 61 (Academic)
The Atomic Fingerprint: Neutron Activation Analysis
Keisch, Bernard
422 Gutenberg downloadsen2015Difficulty 59 (Graduate)
Principles of electricity
Shipley, Maynard
421 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Scientific American Supplement, No. 601, July 9, 1887
Various
421 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Flowers of the Sky
Proctor, Richard A. (Richard Anthony)
420 Gutenberg downloadsen2017Difficulty 59 (Graduate)
Gunshot Roentgenograms A Collection of Roentgenograms Taken in Constantinople During the Turko-Balkan War, 1912-1913, Illustrating Some Gunshot Wounds in the Turkish Army
Ford, Clyde S. (Clyde Sinclair)
420 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Scientific American Supplement, No. 315, January 14, 1882
Various
420 Gutenberg downloadsen2006Difficulty 63 (Academic)
Colour Measurement and Mixture
Abney, William de Wiveleslie, Sir
419 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Die Luftschiffahrt der Gegenwart
Hoernes, Hermann
419 Gutenberg downloadsde2013
The origin and development of the atomic theory
Shipley, Maynard
419 Gutenberg downloadsen2025Difficulty 65 (Academic)
Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time
Cunynghame, Henry H. (Henry Hardinge), Sir
418 Gutenberg downloadsen2017Difficulty 48 (College)
Thomas Hariot, the Mathematician, the Philosopher and the Scholar
Stevens, Henry
415 Gutenberg downloadsen2004Difficulty 63 (Academic)
Atoms in Agriculture: Applications of Nuclear Science to Agriculture (Revised)
Osborne, Thomas S.
414 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, I. Band Von den Anfängen bis zum Wiederaufleben der Wissenschaften
Dannemann, Friedrich
414 Gutenberg downloadsde2016
Scientific American Supplement No. 822, October 3, 1891
Various
414 Gutenberg downloadsen2005Difficulty 55 (Graduate)
The Secret of Life, Death and Immortality A startling proposition, with a chapter devoted to mental therapeutics and instructions for self healing
Fleetwood, Henry
414 Gutenberg downloadsen2018Difficulty 58 (Graduate)
History of the Transformer
Uppenborn, Friedrich
413 Gutenberg downloadsen2018Difficulty 59 (Graduate)
Scientific American Supplement, No. 421, January 26, 1884
Various
413 Gutenberg downloadsen2005Difficulty 56 (Graduate)
International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 2, July 8, 1850
Various
412 Gutenberg downloadsen2004Difficulty 59 (Graduate)
Electricity for the 4-H Scientist
Wilson, Eric B.
410 Gutenberg downloadsen2011Difficulty 44 (College)
Marvels of Modern Science
Severing, Paul
410 Gutenberg downloadsen2004Difficulty 51 (Graduate)
Science and Medieval Thought The Harveian Oration Delivered Before the Royal College of Physicians, October 18, 1900
Allbutt, T. Clifford (Thomas Clifford)
410 Gutenberg downloadsen2012Difficulty 66 (Academic)
The Mirror of Literature, Amusement, and Instruction. Volume 12, No. 336, October 18, 1828
Various
409 Gutenberg downloadsen2004Difficulty 57 (Graduate)
Le Système Solaire se mouvant
Tischner, August
408 Gutenberg downloadsfr2010
The kaleidoscope : $b its history, theory and construction. With its application to the fine and useful arts
Brewster, David
407 Gutenberg downloadsen2024Difficulty 62 (Academic)
Our Nuclear Future: Facts, Dangers and Opportunities
Teller, Edward & Latter, Albert L.
406 Gutenberg downloadsen2021Difficulty 53 (Graduate)
Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
406 Gutenberg downloadsen2009Difficulty 52 (Graduate)
The conservation of energy
Stewart, Balfour
406 Gutenberg downloadsen2022Difficulty 57 (Graduate)
The Moon: A Popular Treatise
Serviss, Garrett Putman
406 Gutenberg downloadsen2021Difficulty 48 (College)
Extra-galactic nebulae
Hubble, Edwin
404 Gutenberg downloadsen2022Difficulty 56 (Graduate)
The unseen universe : $b or, physical speculations on a future state
Stewart, Balfour & Tait, Peter Guthrie
403 Gutenberg downloadsen2025Difficulty 62 (Academic)
The Popular Science Monthly, August, 1900 Vol. 57, May, 1900 to October, 1900
Various
402 Gutenberg downloadsen2014Difficulty 68 (Academic)
Expériences et observations sur l'électricité faites à Philadelphie en Amérique
Franklin, Benjamin
400 Gutenberg downloadsfr2008
Leibniz: Zu seinem zweihunderjährigen Todestag 14. November 1916
Wundt, Wilhelm Max
400 Gutenberg downloadsde2019
Scientific American Supplement, No. 441, June 14, 1884.
Various
400 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Half Hours With Modern Scientists: Lectures and Essays
Huxley, Thomas Henry & Barker, George F. (George Frederick) & Cope, E. D. (Edward Drinker) & Stirling, James Hutchison & Tyndall, John
398 Gutenberg downloadsen2021Difficulty 66 (Academic)
On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
Draper, Henry
398 Gutenberg downloadsen2016Difficulty 61 (Academic)
Benjamin Franklin and the First Balloons
Franklin, Benjamin
397 Gutenberg downloadsen2013Difficulty 51 (Graduate)
Out of Russia
Marriott, Crittenden
397 Gutenberg downloadsen2023Difficulty 36 (High School)
Photographic investigations of faint nebulae
Hubble, Edwin
397 Gutenberg downloadsen2023Difficulty 53 (Graduate)
Stellar Evolution and Its Relations to Geological Time
Croll, James
397 Gutenberg downloadsen2015Difficulty 60 (Graduate)
Short-Title Catalog of Publications and Importations of Scientific and Engineering Books (August 1910)
D. Van Nostrand Company
396 Gutenberg downloadsen2017Difficulty 43 (College)
The description and use of the globes and the orrery To which is prefix'd, by way of introduction, a brief account of the solar system
Harris, Joseph
396 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Voyager Encounters Jupiter
United States. National Aeronautics and Space Administration
396 Gutenberg downloadsen2017Difficulty 64 (Academic)
The New Astronomy
Langley, S. P. (Samuel Pierpont)
395 Gutenberg downloadsen2021Difficulty 48 (College)
The stereoscope : $b its history, theory, and construction, with its application to the fine and useful arts and to education
Brewster, David
394 Gutenberg downloadsen2023Difficulty 59 (Graduate)
Einstein et l'univers: Une lueur dans le mystère des choses
Nordmann, Charles
391 Gutenberg downloadsfr2013
Watchers of the Sky
Noyes, Alfred
391 Gutenberg downloadsen2004Difficulty 45 (College)
The Energy System of Matter: A Deduction from Terrestrial Energy Phenomena
Weir, James, active 1883-1912
390 Gutenberg downloadsen2011Difficulty 67 (Academic)
Meinauer Naturlehre
Unknown
389 Gutenberg downloadsde2009
Scientific American Supplement, No. 430, March 29, 1884
Various
388 Gutenberg downloadsen2005Difficulty 59 (Graduate)
The Microscope
Ross, Andrew
388 Gutenberg downloadsen2013Difficulty 65 (Academic)
Eureka
Poe, Edgar Allan
387 Gutenberg downloadsfr2017
Holcomb, Fitz, and Peate: Three 19th Century American Telescope Makers
Unknown
387 Gutenberg downloadsen2019Difficulty 58 (Graduate)
The Warfare of Science
White, Andrew Dickson
387 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Chambers's Journal of Popular Literature, Science, and Art, No. 726 November 24, 1877
Various
382 Gutenberg downloadsen2016Difficulty 51 (Graduate)
Lecture on Artificial Flight Given by request at the Academy of Natural Sciences
Krueger, William G.
382 Gutenberg downloadsen2011Difficulty 66 (Academic)
The Mirror of Literature, Amusement, and Instruction. Volume 14, No. 404, December 12, 1829
Various
382 Gutenberg downloadsen2004Difficulty 54 (Graduate)
The proceedings of the Canadian Eclipse Party, 1869
Ashe, E. D. (Edward David)
378 Gutenberg downloadsen2011Difficulty 48 (College)
The romance of comets
Proctor, Mary
376 Gutenberg downloadsen2025Difficulty 59 (Graduate)
Ephemerides Barometricae Mutinenses (anni M.DC.XCIV) Cum Disquisitione Causae ascensus ac descensus Mercurii in Torricelliana fistula iuxta diversum Aeris statum
Ramazzini, Bernardino & Boccabadati, Giovan Battista & Torti, Francesco
375 Gutenberg downloadsla2016
Curiosities of Heat
Tefft, Lyman Beecher
374 Gutenberg downloadsen2012Difficulty 45 (College)
Clerk Maxwell's electromagnetic theory
Lorentz, H. A. (Hendrik Antoon)
372 Gutenberg downloadsen2023Difficulty 69 (Academic)
Natuurkunde in de Huiskamer: ongeveer 100 proeven met huishoudelijke voorwerpen.
Tit, Tom
372 Gutenberg downloadsnl2016
Science Primers, Introductory
Huxley, Thomas Henry
371 Gutenberg downloadsen2019Difficulty 51 (Graduate)
Stars of the southern skies
Orr, M. A. (Mary Acworth)
371 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Atom Mystery [Young Atom Detective]
Coombs, Charles Ira
370 Gutenberg downloadsen2016Difficulty 36 (High School)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, III. Band Das Emporblühen der modernen Naturwissenschaften bis zur Entdeckung des Energieprinzipes
Dannemann, Friedrich
370 Gutenberg downloadsde2018
New and Original Theories of the Great Physical Forces
Rogers, Henry Raymond
370 Gutenberg downloadsen2008Difficulty 59 (Graduate)
Lasers
Hellman, Hal
369 Gutenberg downloadsen2021Difficulty 59 (Graduate)
The Nuclear Ship Savannah First Atomic Merchant Ship, One of the World's Safest Ships
United States. Department of Commerce & United States. Maritime Administration & U.S. Atomic Energy Commission
369 Gutenberg downloadsen2020Difficulty 67 (Academic)
A Course of Mechanical, Magnetical, Optical, Hydrostatical and Pneumatical Experiments perform'd by Francis Hauksbee, and the Explanatory Lectures read by William Whiston, M.A.
Whiston, William & Hauksbee, Francis
367 Gutenberg downloadsen2013Difficulty 56 (Graduate)
The wonders of radium
Shipley, Maynard
367 Gutenberg downloadsen2025Difficulty 60 (Graduate)
Experiments and Observations Tending to Illustrate the Nature and Properties of Electricity In One Letter to Martin Folkes, Esq; President, and Two to the Royal Society
Watson, William, Sir
363 Gutenberg downloadsen2014Difficulty 64 (Academic)
Nuclear Clocks Revised
Faul, Henry
362 Gutenberg downloadsen2015Difficulty 59 (Graduate)
Tratado das Cores Que consta de tres partes: analytica, synthetica, hermeneutica
Sampaio, Diogo de Carvalho e
362 Gutenberg downloadspt2010
De martelaars der wetenschap
Tissandier, Gaston
361 Gutenberg downloadsnl2018
How to become a scientist : $b Giving interesting and instructive experiments in chemistry, mechanics, acoustics and pyrotechnics
Warford, Aaron A.
361 Gutenberg downloadsen2023Difficulty 54 (Graduate)
Spectropia; or, Surprising Spectral Illusions Showing Ghosts Everywhere, and of Any Colour
Brown, J. H.
361 Gutenberg downloadsen2020Difficulty 50 (College)
De Usu Ratiocinii Mechanici in Medicina
Boerhaave, Herman
358 Gutenberg downloadsla2005
The Sun changes its position in space therefore it cannot be regarded as being "in a condition of rest"
Tischner, August
358 Gutenberg downloadsen2012Difficulty 62 (Academic)
Atoms at the Science Fair: Exhibiting Nuclear Projects
LeCompte, Robert G. & Wood, Burrell L.
355 Gutenberg downloadsen2021Difficulty 62 (Academic)
William Gilbert, and Terrestial Magnetism in the Time of Queen Elizabeth A Discourse
Thompson, Silvanus P. (Silvanus Phillips)
355 Gutenberg downloadsen2014Difficulty 63 (Academic)
Radiation
Phillips, Percy
353 Gutenberg downloadsen2015Difficulty 55 (Graduate)
The telephone : $b a lecture entitled Researches in electric telephony
Bell, Alexander Graham
353 Gutenberg downloadsen2017Difficulty 67 (Academic)
The Veil Lifted: Modern Developments of Spirit Photography
Unknown
351 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Blackwood's Edinburgh Magazine, Vol. 76, No. 468, October, 1854
Various
350 Gutenberg downloadsen2025Difficulty 69 (Academic)
Das lebende Lichtbild: Entwicklung, Wesen und Bedeutung des Kinematographen
Liesegang, Franz Paul
350 Gutenberg downloadsde2017
Standard Measures of United States, Great Britain and France History and actual comparisons. With appendix on introduction of the mètre
Wurtele, Arthur S. C.
350 Gutenberg downloadsen2017Difficulty 56 (Graduate)
The Molecular Tactics of a Crystal
Kelvin, William Thomson, Baron
349 Gutenberg downloadsen2017Difficulty 68 (Academic)
Airopaidia : $b Containing the narrative of a balloon excursion from Chester, the eighth of September, 1785, taken from minutes made during the voyage; hints on the improvement of balloons ... To which is subjoined, mensuration of heights by the barometer, made plain; with extensive tables. The whole serving as an introduction to aërial navigation.
Baldwin, Thomas
348 Gutenberg downloadsen2024Difficulty 50 (College)
Aus Natur und Geisteswelt Sammlung wissenschaftlich-gemeinverständlicher Darstellungen aus allen Gebieten des Wissens
B.G. Teubner (Firm)
348 Gutenberg downloadsde2016
On the distribution of intensity in stellar absorption lines
Payne-Gaposchkin, Cecilia & Shapley, Harlow
348 Gutenberg downloadsen2025Difficulty 57 (Graduate)
Lightning, Thunder and Lightning Conductors
Molloy, Gerald
347 Gutenberg downloadsen2022Difficulty 62 (Academic)
Army Pulse Radiation Facility
U.S. Army Ballistic Research Laboratory
346 Gutenberg downloadsen2022Difficulty 62 (Academic)
Parlour Magic
Unknown
346 Gutenberg downloadsen2015Difficulty 100 (Quantum Electrodynamics)
Ueber die schrecklichen Wirkungen des Aufsturzes eines Kometen auf die Erde und über die vor fünftausend Jahren gehabte Erscheinung dieser Art
Gelpke, August Heinrich Christian
346 Gutenberg downloadsde2006
Modern cosmogonies
Clerke, Agnes M. (Agnes Mary)
343 Gutenberg downloadsen2021Difficulty 64 (Academic)
Stories of Starland
Proctor, Mary
343 Gutenberg downloadsen2017Difficulty 36 (High School)
Essays, or discourses, vol. 4 (of 4) : $b Selected from the works of Feyjoo, and translated from the Spanish
Feijoo, Benito Jerónimo
342 Gutenberg downloadsen2025Difficulty 72 (Expert)
Relativitätstheorie und Erkenntnis Apriori
Reichenbach, Hans
342 Gutenberg downloadsde2018
Collezione dell'opere del Cavaliere Conte Alessandro Volta - Tomo I, Parte I
Volta, Alessandro
341 Gutenberg downloadsit2019
History of the Harvard College Observatory During the Period 1840-1890
Baker, Daniel W.
340 Gutenberg downloadsen2019Difficulty 57 (Graduate)
The Story of a Tinder-box
Tidy, Charles Meymott
340 Gutenberg downloadsen2009Difficulty 48 (College)
Discorso sopra la calamita
Castelli, Benedetto
336 Gutenberg downloadsit2015
The Atom and the Ocean
Hull, E. W. Seabrook
336 Gutenberg downloadsen2021Difficulty 61 (Academic)
Remarks on a Pamphlet Lately published by the Rev. Mr. Maskelyne, Under the Authority of the Board of Longitude
Harrison, John
332 Gutenberg downloadsen2011Difficulty 77 (Expert)
Physical Amusements and Diverting Experiments Composed and Performed in Different Capitals of Europe, and in London
Pinetti, Giuseppe
331 Gutenberg downloadsen2018Difficulty 56 (Graduate)
Teste quadre
Panzacchi, Enrico
330 Gutenberg downloadsit2015
The Mysterious Box: Nuclear Science and Art
Keisch, Bernard
329 Gutenberg downloadsen2021Difficulty 48 (College)
An epitome of astronomy, with the new discoveries including an account of the eídouraníon, or transparent orrery
Walker, William
327 Gutenberg downloadsen2020Difficulty 65 (Academic)
The Future of Astronomy
Pickering, Edward C. (Edward Charles)
327 Gutenberg downloadsen2005Difficulty 57 (Graduate)
X-ray, violet ray, and other rays : $b With their use in modern medicine
Shipley, Maynard
327 Gutenberg downloadsen2025Difficulty 58 (Graduate)
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Laurence, William L. (William Leonard)
325 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Graham's Magazine, Vol. XX, No. 6, June 1842
Various
324 Gutenberg downloadsen2022Difficulty 48 (College)
Archimedes; or, the future of physics
Whyte, Lancelot Law
323 Gutenberg downloadsen2025Difficulty 66 (Academic)
The natural and artificial disintegration of the elements An address by Professor Sir Ernest Rutherford
Rutherford, Ernest
323 Gutenberg downloadsen2022Difficulty 67 (Academic)
Von Sonnen und Sonnenstäubchen : $b Kosmische Wanderungen
Bölsche, Wilhelm
323 Gutenberg downloadsde2025
An Essay to Shew the Cause of Electricity; and Why Some Things are Non-Electricable. In Which Is Also Consider'd Its Influence in the Blasts on Human Bodies, in the Blights on Trees, in the Damps in Mines; And as It May Affect the Sensitive Plant, &c.
Freke, John
322 Gutenberg downloadsen2016Difficulty 64 (Academic)
Wireless Possibilities
Low, A. M. (Archibald Montgomery)
322 Gutenberg downloadsen2021Difficulty 58 (Graduate)
A világegyetem élete és megismerésének története a legrégibb időtől napjainkig
Arrhenius, Svante
321 Gutenberg downloadshu2022
Beitrag zur Beurteilung der Lehren Machs : $b Inaugural-Dissertation zur Erlangung der Doktorwürde
Musil, Robert
317 Gutenberg downloadsde2014
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Lynde, Carleton John
317 Gutenberg downloadsen2024Difficulty 39 (High School)
The chemical nature of the alpha particles from radioactive substances
Rutherford, Ernest
317 Gutenberg downloadsen2023Difficulty 65 (Academic)
Die Milchstraße
Kahn, Fritz
315 Gutenberg downloadsde2016
La naissance et l'évanouissement de la matière
Le Bon, Gustave
314 Gutenberg downloadsfr2022
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Unknown
314 Gutenberg downloadsnl2010
Arago et sa vie scientifique
Bertrand, Joseph
313 Gutenberg downloadsfr2008
A Plan for Securing Observations of the Variable Stars
Pickering, Edward C. (Edward Charles)
311 Gutenberg downloadsen2011Difficulty 56 (Graduate)
Sonne und Sterne
Meyer, M. W. (Max Wilhelm)
311 Gutenberg downloadsde2021
How to become an inventor : $b Containing experiments in photography, hydraulics, galvanism and electricity, magnetism, heat, and the wonders of the microscope
Warford, Aaron A.
310 Gutenberg downloadsen2024Difficulty 49 (College)
The Dominion Astrophysical Observatory, Victoria, B.C.
Plaskett, J. S. (John Stanley)
310 Gutenberg downloadsen2020Difficulty 62 (Academic)
A Preliminary Dissertation on the Mechanisms of the Heavens
Somerville, Mary
309 Gutenberg downloadsen2022Difficulty 79 (Expert)
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Sullivan, J. W. N. (John William Navin)
308 Gutenberg downloadsen2025Difficulty 62 (Academic)
Our Atomic World: The Story of Atomic Energy
Craven, C. Jackson (Claude Jackson)
307 Gutenberg downloadsen2021Difficulty 67 (Academic)
American Horological Journal, Vol. I, No. 1, July 1869: Devoted to Pratical Horology
Unknown
306 Gutenberg downloadsen2022Difficulty 60 (Graduate)
The evolution of worlds from nebulae
Dean, Lee Parker
306 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Jorden och solsystemet : $b Några blad ur historien om vetenskapens strider
Bohlin, Karl
305 Gutenberg downloadssv2016
Vasárnapi Könyv. 1914. Első félév 17. füzet
Anonymous
305 Gutenberg downloadshu2010
Light and Colour Theories, and their relation to light and colour standardization
Lovibond, Joseph W. (Joseph Williams)
301 Gutenberg downloadsen2018Difficulty 58 (Graduate)
The peaceful atom
Hunt, Bernice Kohn
301 Gutenberg downloadsen2023Difficulty 42 (College)
Remarks of the President in Presenting to Madam Curie a Gift of Radium from the American People
Harding, Warren G. (Warren Gamaliel)
300 Gutenberg downloadsen2019Difficulty 60 (Graduate)
Observations on the Automaton Chess Player Now Exhibited in London, at 4 Spring Gardens
Oxford graduate
298 Gutenberg downloadsen2019Difficulty 66 (Academic)
The theory of relativity and its influence on scientific thought
Eddington, Arthur Stanley, Sir
296 Gutenberg downloadsen2023Difficulty 63 (Academic)
Feltalálók, felfedezők, nagy emberek
Ostwald, Wilhelm
295 Gutenberg downloadshu2025
Sciências Naturaes Pela Redacção da «Educação Nacional»
Anonymous
292 Gutenberg downloadspt2006
Dissertation sur la nature et la propagation du feu
Du Châtelet, Gabrielle Emilie Le Tonnelier de Breteuil, marquise
291 Gutenberg downloadsfr2024
A természettudomány fejlődésének története (2. kötet)
Bölsche, Wilhelm
290 Gutenberg downloadshu2022
The Great Round World and What Is Going On In It, Vol. 1, No. 60, December 30, 1897 A Weekly Magazine for Boys and Girls
Various
289 Gutenberg downloadsen2005Difficulty 51 (Graduate)
Popular lessons in astronomy, on a new plan : $b in which some of the leading principles of the science are illustrated by actual comparisions, independent of the use of numbers
Grund, Francis J. (Francis Joseph)
288 Gutenberg downloadsen2023Difficulty 46 (College)
A discourse on the theory of gunnery Delivered at the anniversary meeting of the Royal Society, November 30, 1778
Pringle, John, Sir
287 Gutenberg downloadsen2022Difficulty 76 (Expert)
Astronomy for Young Australians
Bonwick, James
286 Gutenberg downloadsen2018Difficulty 33 (High School)
Address delivered before the British Association assembled at Belfast
Tyndall, John
276 Gutenberg downloadsen2025Difficulty 62 (Academic)
Het Nut der Mechanistische Methode in de Geneeskunde
Boerhaave, Herman
275 Gutenberg downloadsnl2005
The Study of Astronomy, adapted to the capacities of youth In twelve familiar dialogues, between a tutor and his pupil: explaining the general phænomena of the heavenly bodies, the theory of the tides, &c.
Stedman, John, teacher of astronomy
273 Gutenberg downloadsen2018Difficulty 44 (College)
Die Welt der Planeten
Meyer, M. W. (Max Wilhelm)
270 Gutenberg downloadsde2018
A new discovery for finding the longitude
Hobbs, William
262 Gutenberg downloadsen2025Difficulty 48 (College)
Books Relating to Applied Science, Published by E. & F. N. Spon, 1890.
E. & F. N. Spon
261 Gutenberg downloadsen2021Difficulty 62 (Academic)
Einiges aus der Geschichte der Astronomie im Alterthum Rede zur Feier des Geburtstags Sr. Maj. des Deutschen Kaisers Königs von Preussen Wilhelm I. gehalten an der Christian-Albrechts
Blass, Friedrich
254 Gutenberg downloadsde2012
A Treatise on Electricity Wherein its various phænomena are accounted for, and the cause of the attraction and gravitation of solids, assigned. To which is added, a short account, how the electrical effluvia act upon the animal frame, and in what disorders the same may probably be applied with success, and in what not.
Penrose, Francis
253 Gutenberg downloadsen2019Difficulty 68 (Academic)
Chambers's Journal of Popular Literature, Science, and Art, fifth series, no. 126, vol. III, May 29, 1886
Various
253 Gutenberg downloadsen2023Difficulty 54 (Graduate)
Geometrical Solutions Derived from Mechanics; a Treatise of Archimedes
Archimedes
250 Gutenberg downloadsen2005Difficulty 67 (Academic)
Remarks upon the solar and the lunar years, the cycle of 19 years, commonly called the golden number, the epact, and a method of finding the time of Easter, as it is now observed in most parts of Europe
Macclesfield, George Parker, Earl of
249 Gutenberg downloadsen2020Difficulty 61 (Academic)
Yleinen Maatiede : $b Luonnollinen Maatide ynnä Venäjän valtakunta, Euroopassa olevine alusmaineen, valtiollisesti
Corander, Klas
242 Gutenberg downloadsfi2025
The Problem of Manflight
Means, James
241 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Über die Vulkane im Monde
Kant, Immanuel
241 Gutenberg downloadsde2012
The new science of space speech
Gaddis, Vincent H. (Vincent Hayes)
233 Gutenberg downloadsen2025Difficulty 56 (Graduate)
The highest aim of the physicist
Rowland, Henry Augustus
230 Gutenberg downloadsen2023Difficulty 55 (Graduate)
War in Heaven
Pratt, Fletcher
212 Gutenberg downloadsen2023Difficulty 53 (Graduate)
Was mir das Sternenlicht erzählt: Eine populäre Himmelskunde für die Jugend
Erber, Felix
209 Gutenberg downloadsde2018
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 40, Vol. I, October 4, 1884
Various
182 Gutenberg downloadsen2021Difficulty 52 (Graduate)

Steam, Its Generation and Use

The Notebooks of Leonardo Da Vinci — Complete

A Budget of Paradoxes, Volume I

The Story of the Heavens

Astronomy for Amateurs

Myths and Marvels of Astronomy

The Astronomy of Milton's 'Paradise Lost'

The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler

A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma

Rollo's Experiments

On Growth and Form

Goethe's Theory of Colours

Opticks : $b or, A treatise of the reflections, refractions, inflections and colours of light

Philosophiae Naturalis Principia Mathematica

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

Novum organum : $b or, True suggestions for the interpretation of nature

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

Encyclopaedia Britannica, 11th Edition, "Electrostatics" to "Engis" Volume 9, Slice 3

Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants

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...

Scientific American, Volume 56, No. 9, February 26, 1887

The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method

Bibliographical history of electricity & magnetism, chronologically arranged

Experimental Researches in Electricity, Volume 1

Encyclopaedia Britannica, 11th Edition, "Matter" to "Mecklenburg" Volume 17, Slice 8

Discoveries and Inventions of the Nineteenth Century

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

Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind

The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told

Relativity: The Special and General Theory

A Popular History of Astronomy During the Nineteenth Century Fourth Edition

Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4

How to Use the Popular Science Library; History of Science; General Index

Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures

Einstein's Theories of Relativity and Gravitation A selection of material from the essays submitted in the competition for the Eugene Higgins prize of $5,000

Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1

On the magnet, magnetick bodies also, and on the great magnet the earth a new physiology, demonstrated by many arguments & experiments

General Science

The International Monthly, Volume 5, No. 4, April, 1852

The Progress of the Century

Pierre Curie

History of the inductive sciences, from the earliest to the present time

Biographies of distinguished scientific men. First series

Physics

Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2

The Boy Electrician

Index of the Project Gutenberg Works of Benjamin Franklin

Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7

Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.

The principles of science : $b a treatise on logic and scientific method

The Boy's Playbook of Science Including the Various Manipulations and Arrangements of Chemical and Philosophical Apparatus Required for the Successful Performance of Scientific Experiments in Illustration of the Elementary Branches of Chemistry and Natural Philosophy

Studies in the History and Method of Science, vol. 1 (of 2)

The Boy's Book of New Inventions

History of the Conflict Between Religion and Science

Keely and His Discoveries: Aerial Navigation

Encyclopaedia Britannica, 11th Edition, "Hydromechanics" to "Ichnography" Volume 14, Slice 2

The Advance of Science in the Last Half-Century

Michael Faraday, His Life and Work

The sidereal messenger of Galileo Galilei : $b and a part of the preface to Kepler's Dioptrics containing the original account of Galileo's astronomical discoveries

Autobiography of Sir George Biddell Airy

Zetetic astronomy: Earth not a globe! An experimental inquiry into the true figure of the earth etc.

The Concept of Nature The Tarner Lectures Delivered in Trinity College, November 1919

Galileo Galilei and the Roman Curia From Authentic Sources

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.

Treatise on light : $b In which are explained the causes of that which occurs in reflexion, & in refraction and particularly in the strange refraction of Iceland crystal

American Journal of Science, Vol. 1.

Beacon Lights of History, Volume 14: The New Era A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents

The Story of Great Inventions

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

Makers of Electricity

A Field Book of the Stars

Early American Scientific Instruments and Their Makers

The Poetry of Science; or, Studies of the Physical Phenomena of Nature

The Life of Sir Isaac Newton

Tube, Train, Tram, and Car; or, Up-to-date locomotion

The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture

The Quarterly Journal of Science, Literature and the Arts, July-December, 1827

Personal Recollections, from Early Life to Old Age, of Mary Somerville

Popular scientific lectures

The First Airplane Diesel Engine: Packard Model DR-980 of 1928