Curated Shelf
Physics
Popular Victorian physics — mostly outdated but historically interesting.
300 WorksDrawn from Project Gutenberg Bookshelf #667
History of the inductive sciences, from the earliest to the present time
Whewell, William
14,335 downloadsen2022Difficulty 52 (Graduate)The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
Thomson, J. Arthur (John Arthur)
10,499 downloadsen2007Difficulty 66 (Academic)On Growth and Form
Thompson, D'Arcy Wentworth
9,996 downloadsen2017Difficulty 53 (Graduate)The Notebooks of Leonardo Da Vinci — Complete
Leonardo, da Vinci
7,007 downloadsen2004Difficulty 52 (Graduate)The principles of science : $b a treatise on logic and scientific method
Jevons, William Stanley
5,636 downloadsen2024Difficulty 64 (Academic)Bibliographical history of electricity & magnetism, chronologically arranged
Unknown
5,493 downloadsen2024Difficulty 62 (Academic)Galileo Galilei and the Roman Curia From Authentic Sources
Gebler, Karl von
5,322 downloadsen2019Difficulty 53 (Graduate)Goethe's Theory of Colours
Goethe, Johann Wolfgang von
4,947 downloadsen2015Difficulty 68 (Academic)A Budget of Paradoxes, Volume I
De Morgan, Augustus
4,668 downloadsen2007Difficulty 55 (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
4,220 downloadsen2020Difficulty 67 (Academic)Studies in the History and Method of Science, vol. 1 (of 2)
Unknown
4,123 downloadsen2014Difficulty 57 (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
4,106 downloadsen2014Difficulty 86 (Specialist)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
3,849 downloadsen2025Difficulty 48 (College)The Concept of Nature The Tarner Lectures Delivered in Trinity College, November 1919
Whitehead, Alfred North
3,792 downloadsen2006Difficulty 62 (Academic)Encyclopaedia Britannica, 11th Edition, "Electrostatics" to "Engis" Volume 9, Slice 3
Various
3,729 downloadsen2011Difficulty 66 (Academic)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
3,721 downloadsen2009Difficulty 58 (Graduate)Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind
Zahm, J. A. (John Augustine)
3,650 downloadsen2011Difficulty 66 (Academic)Opticks : $b or, A treatise of the reflections, refractions, inflections and colours of light
Newton, Isaac
3,578 downloadsen2010Difficulty 58 (Graduate)Steam, Its Generation and Use
Babcock & Wilcox Company
3,437 downloadsen2007Difficulty 64 (Academic)The Poetry of Science; or, Studies of the Physical Phenomena of Nature
Hunt, Robert
3,421 downloadsen2016Difficulty 79 (Expert)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)
3,135 downloadsen2020Difficulty 59 (Graduate)Catechism of the locomotive
Forney, Matthias N. (Matthias Nace) & Kosak, Georg
3,127 downloadsen2025Difficulty 51 (Graduate)Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4
Various
3,091 downloadsen2013Difficulty 67 (Academic)Philosophiae Naturalis Principia Mathematica
Newton, Isaac
3,076 downloadsla2009Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants
Flammarion, Camille
3,070 downloadsen2012Difficulty 55 (Graduate)On the magnet, magnetick bodies also, and on the great magnet the earth a new physiology, demonstrated by many arguments & experiments
Unknown
3,037 downloadsen2010Difficulty 68 (Academic)Encyclopaedia Britannica, 11th Edition, "Matter" to "Mecklenburg" Volume 17, Slice 8
Various
3,034 downloadsen2013Difficulty 71 (Expert)Radio-Activity
Rutherford, Ernest
2,963 downloadsen2021Difficulty 65 (Academic)A View of Sir Isaac Newton's Philosophy
Pemberton, Henry
2,951 downloadsen2016Difficulty 63 (Academic)Discoveries and Inventions of the Nineteenth Century
Routledge, Robert
2,921 downloadsen2017Difficulty 51 (Graduate)On the Connexion of the Physical Sciences
Somerville, Mary
2,808 downloadsen2016Difficulty 89 (Specialist)The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method
Poincaré, Henri
2,807 downloadsen2012Difficulty 60 (Graduate)Novum organum : $b or, True suggestions for the interpretation of nature
Bacon, Francis
2,766 downloadsen2014Difficulty 71 (Expert)Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7
Various
2,683 downloadsen2013Difficulty 66 (Academic)Makers of Electricity
Potamian, Brother & Walsh, James J. (James Joseph)
2,550 downloadsen2014Difficulty 69 (Academic)Astronomy Explained Upon Sir Isaac Newton's Principles And made easy to those who have not studied mathematics
Ferguson, James
2,544 downloadsen2019Difficulty 52 (Graduate)Tube, Train, Tram, and Car; or, Up-to-date locomotion
Beavan, Arthur H. (Arthur Henry)
2,414 downloadsen2017Difficulty 62 (Academic)German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering
Kroeh, Charles Frederick
2,351 downloadsde2007The Quarterly Journal of Science, Literature and the Arts, July-December, 1827
Various
2,328 downloadsen2014Difficulty 59 (Graduate)Astronomy for Amateurs
Flammarion, Camille
2,308 downloadsen2008Difficulty 51 (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
2,293 downloadsen2013Difficulty 76 (Expert)Astronomical Curiosities: Facts and Fallacies
Gore, J. Ellard (John Ellard)
2,283 downloadsen2012Difficulty 54 (Graduate)Biographies of distinguished scientific men. First series
Arago, F. (François)
2,269 downloadsen2005Difficulty 52 (Graduate)The Royal Institution: Its Founder and First Professors
Jones, Bence
2,269 downloadsen2014Difficulty 52 (Graduate)Pumps and Hydraulics, Part 1 (of 2)
Hawkins, N. (Nehemiah)
2,251 downloadsen2018Difficulty 50 (College)The International Monthly, Volume 5, No. 4, April, 1852
Various
2,210 downloadsen2011Difficulty 58 (Graduate)A Short History of Astronomy
Berry, Arthur
2,197 downloadsen2019Difficulty 58 (Graduate)Telescopic Work for Starlight Evenings
Denning, William F. (William Frederick)
2,177 downloadsen2018Difficulty 58 (Graduate)Stargazing: Past and Present
Lockyer, Norman, Sir
2,162 downloadsen2016Difficulty 50 (College)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)
2,110 downloadsen2022Difficulty 49 (College)A Popular History of Astronomy During the Nineteenth Century Fourth Edition
Clerke, Agnes M. (Agnes Mary)
2,099 downloadsen2009Difficulty 78 (Expert)The Life of Galileo Galilei, with Illustrations of the Advancement of Experimental Philosophy Life of Kepler
Bethune, John Elliot Drinkwater
2,057 downloadsen2013Difficulty 74 (Expert)Preliminary Discourse on the Study of Natural Philosophy
Herschel, John F. W. (John Frederick William)
2,031 downloadsen2017Difficulty 77 (Expert)Scientific American, Volume 56, No. 9, February 26, 1887
Various
2,030 downloadsen2015Difficulty 54 (Graduate)Physics
Tower, Willis E. (Willis Eugene) & Cope, Thomas D. (Thomas Darlington) & Smith, Charles H. (Charles Henry) & Turton, Charles M. (Charles Mark)
2,024 downloadsen2012Difficulty 54 (Graduate)The Boy Electrician
Morgan, Alfred Powell
1,986 downloadsen2020Difficulty 47 (College)The Progress of the Century
Unknown
1,976 downloadsen2017Difficulty 69 (Academic)The Story of Eclipses
Chambers, George F. (George Frederick)
1,953 downloadsen2008Difficulty 49 (College)The Life of Sir Isaac Newton
Brewster, David
1,912 downloadsen2016Difficulty 73 (Expert)Giant brains; or, Machines that think
Berkeley, Edmund Callis
1,898 downloadsen2022Difficulty 48 (College)Curiosities of Science, Past and Present A Book for Old and Young
Timbs, John
1,883 downloadsen2015Difficulty 66 (Academic)Sound
Tyndall, John
1,864 downloadsen2017Difficulty 72 (Expert)How to Use the Popular Science Library; History of Science; General Index
Serviss, Garrett Putman & Selwyn-Brown, Arthur
1,863 downloadsen2016Difficulty 64 (Academic)Early American Scientific Instruments and Their Makers
Bedini, Silvio A.
1,848 downloadsen2012Difficulty 70 (Academic)Experimental Researches in Electricity, Volume 1
Faraday, Michael
1,822 downloadsen2005Difficulty 62 (Academic)Aether and Gravitation
Hooper, William George
1,820 downloadsen2008Difficulty 55 (Graduate)Keely and His Discoveries: Aerial Navigation
Moore, Bloomfield H., Mrs.
1,819 downloadsen2018Difficulty 60 (Graduate)Pioneers of Science
Lodge, Oliver, Sir
1,786 downloadsen2009Difficulty 51 (Graduate)Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1
Humboldt, Alexander von
1,774 downloadsen2005Difficulty 67 (Academic)The Source and Mode of Solar Energy Throughout the Universe
Heysinger, Isaac W. (Isaac Winter)
1,728 downloadsen2018Difficulty 66 (Academic)Michael Faraday, His Life and Work
Thompson, Silvanus P. (Silvanus Phillips)
1,715 downloadsen2021Difficulty 52 (Graduate)Essays on the Microscope Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc.
Adams, George
1,707 downloadsen2020Difficulty 62 (Academic)Eminent literary and scientific men of Italy, Spain, and Portugal. Vol. 2 (of 3)
Montgomery, James & Shelley, Mary Wollstonecraft
1,703 downloadsen2021Difficulty 69 (Academic)Memoirs of the Distinguished Men of Science of Great Britain Living in the Years 1807-8
Walker, William
1,688 downloadsen2018Difficulty 61 (Academic)Michael Faraday Third Edition, with Portrait
Gladstone, J. H. (John Hall)
1,645 downloadsen2014Difficulty 61 (Academic)Popular scientific lectures
Mach, Ernst
1,632 downloadsen2012Difficulty 53 (Graduate)The Story of Great Inventions
Burns, Elmer Ellsworth
1,632 downloadsen2011Difficulty 57 (Graduate)The Boy's Book of New Inventions
Maule, Harry E. (Harry Edward)
1,601 downloadsen2014Difficulty 60 (Graduate)Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2
Tyndall, John
1,580 downloadsen2008Difficulty 54 (Graduate)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
1,566 downloadsen2013Difficulty 61 (Academic)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
1,565 downloadsen2009Difficulty 58 (Graduate)Zetetic astronomy: Earth not a globe! An experimental inquiry into the true figure of the earth etc.
Parallax
1,551 downloadsen2023Difficulty 57 (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)
1,544 downloadsen2015Difficulty 53 (Graduate)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
1,535 downloadsen2023Difficulty 68 (Academic)The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler
Brewster, David
1,532 downloadsen2008Difficulty 79 (Expert)American Journal of Science, Vol. 1.
Various
1,531 downloadsen2016Difficulty 65 (Academic)The unseen universe : $b or, physical speculations on a future state
Stewart, Balfour & Tait, Peter Guthrie
1,512 downloadsen2025Difficulty 62 (Academic)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
1,499 downloadsen2014Difficulty 70 (Academic)Encyclopaedia Britannica, 11th Edition, "Hydromechanics" to "Ichnography" Volume 14, Slice 2
Various
1,485 downloadsen2012Difficulty 70 (Academic)History of the Conflict Between Religion and Science
Draper, John William
1,454 downloadsen1998Difficulty 62 (Academic)Mechanics of the Household A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances
Keene, E. S. (Edward Spencer)
1,429 downloadsen2016Difficulty 65 (Academic)Experiments and Considerations Touching Colours (1664)
Boyle, Robert
1,425 downloadsen2004Difficulty 64 (Academic)Roentgen Rays and Phenomena of the Anode and Cathode.
Thompson, Edward P. (Edward Pruden)
1,403 downloadsen2020Difficulty 59 (Graduate)Common Science
Washburne, Carleton
1,399 downloadsen2009Difficulty 48 (College)Rollo's Experiments
Abbott, Jacob
1,398 downloadsen2008Difficulty 35 (High School)Index of the Project Gutenberg Works of Benjamin Franklin
Franklin, Benjamin
1,395 downloadsen2019Difficulty 58 (Graduate)General Science
Clark, Bertha May
1,393 downloadsen2005Difficulty 53 (Graduate)Autobiography of Sir George Biddell Airy
Airy, George Biddell
1,389 downloadsen2004Difficulty 59 (Graduate)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
1,388 downloadsen2024Difficulty 50 (College)An Introduction to the History of Science
Libby, Walter
1,373 downloadsen2012Difficulty 62 (Academic)Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
1,369 downloadsen2006Difficulty 56 (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
1,360 downloadsen2012Difficulty 56 (Graduate)Lightning Conductors: Their History, Nature, and Mode of Application
Anderson, Richard, F.C.S.
1,356 downloadsen2017Difficulty 58 (Graduate)The Chautauquan, Vol. 04, October 1883
Chautauqua Literary and Scientific Circle & Chautauqua Institution
1,352 downloadsen2016Difficulty 50 (College)On Molecular and Microscopic Science, Volume 1 (of 2)
Somerville, Mary
1,351 downloadsen2017Difficulty 61 (Academic)Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
Tesla, Nikola
1,342 downloadsen2004Difficulty 63 (Academic)Pierre Curie
Curie, Marie
1,337 downloadsen2022Difficulty 48 (College)The Herschels and Modern Astronomy
Clerke, Agnes M. (Agnes Mary)
1,335 downloadsen2021Difficulty 55 (Graduate)The Principle of Relativity
Einstein, Albert & Minkowski, H. (Hermann)
1,334 downloadsen2021Difficulty 65 (Academic)Lives of the electricians : $b Professors Tyndall, Wheatstone, and Morse.
Jeans, William T.
1,319 downloadsen2024Difficulty 70 (Academic)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)
1,289 downloadsen2015Difficulty 53 (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.
1,272 downloadsen2011Difficulty 66 (Academic)A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
Unknown
1,267 downloadsen2024Difficulty 60 (Graduate)Myths and Marvels of Astronomy
Proctor, Richard A. (Richard Anthony)
1,266 downloadsen2008Difficulty 66 (Academic)Electricity
McCormick, W. H. (William Henry)
1,258 downloadsen2023Difficulty 56 (Graduate)Harper's Electricity Book for Boys
Adams, Joseph H. (Joseph Henry)
1,246 downloadsen2021Difficulty 59 (Graduate)Einstein, the searcher : $b his work explained from dialogues with Einstein
Moszkowski, Alexander
1,236 downloadsen2023Difficulty 61 (Academic)Science in Short Chapters
Williams, W. Mattieu (William Mattieu)
1,225 downloadsen2017Difficulty 69 (Academic)The Story of the Heavens
Ball, Robert S. (Robert Stawell)
1,218 downloadsen2008Difficulty 49 (College)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
1,218 downloadsen2023Difficulty 61 (Academic)Outlines of Creation
Noyce, Elisha
1,216 downloadsen2015Difficulty 68 (Academic)The Royal Observatory, Greenwich: A Glance at Its History and Work
Maunder, E. Walter (Edward Walter)
1,208 downloadsen2013Difficulty 60 (Graduate)Mariner Mission to Venus
Jet Propulsion Laboratory (U.S.)
1,180 downloadsen2017Difficulty 64 (Academic)Relativity: The Special and General Theory
Einstein, Albert
1,177 downloadsen2009Difficulty 62 (Academic)Valerius Terminus: Of the Interpretation of Nature
Bacon, Francis
1,171 downloadsen2002Difficulty 60 (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
1,169 downloadsen2017Difficulty 69 (Academic)Wonderful Balloon Ascents; Or, The Conquest of the Skies A History of Balloons and Balloon Voyages
Marion, Fulgence
1,166 downloadsen1997Difficulty 59 (Graduate)Sir William Herschel: His Life and Works
Holden, Edward S. (Edward Singleton)
1,154 downloadsen2009Difficulty 56 (Graduate)New Theories in Astronomy
Stirling, William
1,150 downloadsen2014Difficulty 63 (Academic)The Relations of Science and Religion The Morse Lecture, 1880
Calderwood, Henry
1,149 downloadsen2011Difficulty 72 (Expert)The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 2 [of 3]
Franklin, Benjamin
1,145 downloadsen2015Difficulty 56 (Graduate)Things a Boy Should Know About Electricity Second Edition
St. John, Thomas M. (Thomas Matthew)
1,137 downloadsen2014Difficulty 48 (College)Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.
Tissandier, Gaston
1,135 downloadsen2016Difficulty 62 (Academic)A Field Book of the Stars
Olcott, William Tyler
1,127 downloadsen2007Difficulty 49 (College)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
1,124 downloadsen2014Difficulty 69 (Academic)Astronomical Myths: Based on Flammarions's "History of the Heavens"
Blake, J. F. (John Frederick) & Flammarion, Camille
1,119 downloadsen2011Difficulty 57 (Graduate)Pyrometry: A Practical Treatise on the Measurement of High Temperatures
Darling, Charles R. (Charles Robert)
1,118 downloadsen2018Difficulty 71 (Expert)A History of Science — Volume 2
Williams, Henry Smith & Williams, Edward Huntington
1,114 downloadsen1999Difficulty 63 (Academic)Famous Men of Science
Bolton, Sarah Knowles
1,112 downloadsen2011Difficulty 54 (Graduate)The Telescope
Bell, Louis
1,111 downloadsen2016Difficulty 66 (Academic)The Chautauquan, Vol. 05, April 1885
Chautauqua Literary and Scientific Circle & Chautauqua Institution
1,106 downloadsen2017Difficulty 54 (Graduate)The Library of Work and Play: Electricity and Its Everyday Uses
Woodhull, John F. (John Francis)
1,104 downloadsen2014Difficulty 48 (College)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
1,102 downloadsen2005Difficulty 58 (Graduate)Leonardo da Vinci, Pathfinder of Science
Gillette, Henry S.
1,088 downloadsen2017Difficulty 51 (Graduate)Records of Steam Boiler Explosions
Marten, Edward Bindon
1,087 downloadsen2014Difficulty 61 (Academic)Reflections on the Decline of Science in England, and on Some of Its Causes
Babbage, Charles
1,073 downloadsen1998Difficulty 63 (Academic)Appletons' Popular Science Monthly, December 1899 Vol. LVI, November, 1899 to April, 1900
Various
1,064 downloadsen2014Difficulty 72 (Expert)Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
1,064 downloadsen2009Difficulty 49 (College)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
1,062 downloadsen2012Difficulty 71 (Expert)Conversations on the Plurality of Worlds
Fontenelle, M. de (Bernard Le Bovier)
1,058 downloadsen2021Difficulty 62 (Academic)Lord Kelvin: An account of his scientific life and work
Gray, Andrew
1,054 downloadsen2012Difficulty 66 (Academic)Sir Christopher Wren : $b Scientist, scholar and architect
Weaver, Lawrence
1,053 downloadsen2023Difficulty 52 (Graduate)Personal Recollections, from Early Life to Old Age, of Mary Somerville
Somerville, Mary
1,049 downloadsen2009Difficulty 56 (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
1,047 downloadsen2012Difficulty 59 (Graduate)The Moon: A Popular Treatise
Serviss, Garrett Putman
1,042 downloadsen2021Difficulty 48 (College)A Guide to the Scientific Knowledge of Things Familiar
Brewer, Ebenezer Cobham
1,032 downloadsen2012Difficulty 46 (College)Perpetual Motion
Verance, Percy & Dircks, Henry
1,028 downloadsen2014Difficulty 65 (Academic)Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work
Warren, Henry White
1,027 downloadsen2005Difficulty 50 (College)Science for the School and Family, Part I. Natural Philosophy
Hooker, Worthington
1,017 downloadsen2016Difficulty 49 (College)The Astronomy of Milton's 'Paradise Lost'
Orchard, Thomas Nathaniel
1,015 downloadsen2009Difficulty 64 (Academic)Astronomical Discovery
Turner, H. H. (Herbert Hall)
1,012 downloadsen2010Difficulty 57 (Graduate)Heroes of Science: Physicists
Garnett, William
1,008 downloadsen2012Difficulty 61 (Academic)The First Airplane Diesel Engine: Packard Model DR-980 of 1928
Meyer, Robert B.
1,008 downloadsen2010Difficulty 58 (Graduate)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
994 downloadsen2016Difficulty 56 (Graduate)The universe around us
Jeans, James
994 downloadsen2025Difficulty 62 (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
990 downloadsen2004Difficulty 56 (Graduate)The Evolution of Worlds
Lowell, Percival
987 downloadsen2020Difficulty 55 (Graduate)Response in the Living and Non-Living
Bose, Jagadis Chandra
986 downloadsen2006Difficulty 65 (Academic)Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments
Serviss, Garrett Putman
979 downloadsen2011Difficulty 59 (Graduate)The Universe a Vast Electric Organism
Warder, Geo. W. (George Woodward)
975 downloadsen2011Difficulty 59 (Graduate)A History of Science — Volume 5
Williams, Henry Smith & Williams, Edward Huntington
969 downloadsen2009Difficulty 57 (Graduate)The Academic Gregories
Stewart, Agnes Grainger
968 downloadsen2016Difficulty 59 (Graduate)The Unseen World, and Other Essays
Fiske, John
965 downloadsen1998Difficulty 64 (Academic)Astronomy: The Science of the Heavenly Bodies
Todd, David P. (David Peck)
958 downloadsen2012Difficulty 61 (Academic)The stereoscope : $b its history, theory, and construction, with its application to the fine and useful arts and to education
Brewster, David
957 downloadsen2023Difficulty 59 (Graduate)The Wonders of Optics
Marion, Fulgence
957 downloadsen2021Difficulty 51 (Graduate)Star-land: Being Talks With Young People About the Wonders of the Heavens
Ball, Robert S. (Robert Stawell)
952 downloadsen2019Difficulty 46 (College)The Chautauquan, Vol. 05, October 1884, No. 1
Chautauqua Literary and Scientific Circle & Chautauqua Institution
948 downloadsen2017Difficulty 48 (College)Letters on Natural Magic; Addressed to Sir Walter Scott, Bart.
Brewster, David
946 downloadsen2016Difficulty 80 (Expert)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
945 downloadsen2017Difficulty 51 (Graduate)Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained
Marcet, Mrs. (Jane Haldimand) & Jones, Thomas P.
941 downloadsen2011Difficulty 50 (College)Six Lectures on Light Delivered In The United States In 1872-1873
Tyndall, John
938 downloadsen2004Difficulty 63 (Academic)Invention and Discovery: Curious Facts and Characteristic Sketches
Anonymous
936 downloadsen2014Difficulty 60 (Graduate)Curiosities of the Sky
Serviss, Garrett Putman
933 downloadsen2004Difficulty 60 (Graduate)Encyclopaedia Britannica, 11th Edition, "Conduction, Electric" Volume 6, Slice 8
Various
929 downloadsen2010Difficulty 57 (Graduate)Time and Tide: A Romance of the Moon
Ball, Robert S. (Robert Stawell)
929 downloadsen2008Difficulty 52 (Graduate)The conservation of energy
Stewart, Balfour
927 downloadsen2022Difficulty 57 (Graduate)A History of Science — Volume 1
Williams, Henry Smith & Williams, Edward Huntington
926 downloadsen1999Difficulty 65 (Academic)Harper's New Monthly Magazine, Volume 2, No. 12, May, 1851.
Various
923 downloadsen2010Difficulty 55 (Graduate)A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma
Munsell, A. H. (Albert Henry)
918 downloadsen2008Difficulty 51 (Graduate)LRL Accelerators, The 184-Inch Synchrocyclotron
Lawrence Radiation Laboratory
912 downloadsen2010Difficulty 58 (Graduate)Every-day Science: Volume 6. The Conquest of Nature
Williams, Henry Smith & Williams, Edward Huntington
906 downloadsen2013Difficulty 53 (Graduate)Experiments and Observations on Electricity Made at Philadelphia in America
Franklin, Benjamin
903 downloadsen2014Difficulty 54 (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
903 downloadsen2011Difficulty 63 (Academic)Little Journeys to the Homes of the Great - Volume 12 Little Journeys to the Homes of Great Scientists
Hubbard, Elbert
900 downloadsen2006Difficulty 47 (College)The Plurality of Worlds
Whewell, William
896 downloadsen2011Difficulty 58 (Graduate)The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture
Maunder, E. Walter (Edward Walter)
893 downloadsen2009Difficulty 73 (Expert)The Natural Philosophy of William Gilbert and His Predecessors
King, W. James (William James)
884 downloadsen2010Difficulty 61 (Academic)On Laboratory Arts
Threlfall, Richard
880 downloadsen2007Difficulty 54 (Graduate)Thunder and Lightning
Flammarion, Camille
878 downloadsen2013Difficulty 49 (College)Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899
Various
876 downloadsen2014Difficulty 58 (Graduate)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
869 downloadsen2015Difficulty 61 (Academic)The New Physics and Its Evolution
Poincaré, Lucien
864 downloadsen2005Difficulty 81 (Specialist)Scientific American Supplement, No. 467, December 13, 1884
Various
863 downloadsen2014Difficulty 51 (Graduate)On the various forces of nature and their relations to each other
Faraday, Michael
860 downloadsen2016Difficulty 50 (College)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
859 downloadsen2010Difficulty 100 (Quantum Electrodynamics)From Newton to Einstein: Changing Conceptions of the Universe
Harrow, Benjamin
857 downloadsen2019Difficulty 52 (Graduate)Worlds Within Worlds: The Story of Nuclear Energy, Volume 1 (of 3) Atomic Weights; Energy; Electricity
Asimov, Isaac
857 downloadsen2015Difficulty 57 (Graduate)Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
853 downloadsen2006Difficulty 54 (Graduate)Astronomy and General Physics Considered with Reference to Natural Theology
Whewell, William
852 downloadsen2021Difficulty 57 (Graduate)A handbook of laboratory glass-blowing
Bolas, Bernard D. (Bernard Dell)
848 downloadsen2010Difficulty 54 (Graduate)Worlds Within Worlds: The Story of Nuclear Energy, Volume 3 (of 3) Nuclear Fission; Nuclear Fusion; Beyond Fusion
Asimov, Isaac
847 downloadsen2015Difficulty 62 (Academic)The Warfare of Science
White, Andrew Dickson
844 downloadsen2015Difficulty 55 (Graduate)A History of Science — Volume 3
Williams, Henry Smith & Williams, Edward Huntington
842 downloadsen1999Difficulty 77 (Expert)The Fourth Dimension
Hinton, Charles Howard
837 downloadsen2022Difficulty 52 (Graduate)Faraday as a Discoverer
Tyndall, John
834 downloadsen1998Difficulty 56 (Graduate)The Scientific Monthly, October to December, 1915
Various
833 downloadsen1997Difficulty 64 (Academic)Pleasant Ways in Science
Proctor, Richard A. (Richard Anthony)
825 downloadsen2017Difficulty 59 (Graduate)A Historical Account of Useful Inventions and Scientific Discoveries Being a manual of instruction and entertainment.
Grant, George
823 downloadsen2016Difficulty 62 (Academic)Memoir and Correspondence of Caroline Herschel
Herschel, John, Mrs.
822 downloadsen2016Difficulty 60 (Graduate)Liquid Drops and Globules, Their Formation and Movements Three lectures delivered to popular audiences
Darling, Charles R. (Charles Robert)
821 downloadsen2011Difficulty 52 (Graduate)Voyage to Jupiter
Morrison, David & Samz, Jane
821 downloadsen2019Difficulty 64 (Academic)Einstein and the universe: A popular exposition of the famous theory
Nordmann, Charles
820 downloadsen2022Difficulty 58 (Graduate)Flying Machines Today
Ennis, William D. (William Duane)
814 downloadsen2016Difficulty 61 (Academic)Microscopes and Accessory Apparatus: Catalogue No. 40
Leitz, Ernst
814 downloadsen2011Difficulty 61 (Academic)Appletons' Popular Science Monthly, April 1900 Vol. 56, Nov. 1899 to April, 1900
Various
809 downloadsen2014Difficulty 60 (Graduate)Monism as Connecting Religion and Science A Man of Science
Haeckel, Ernst
809 downloadsen2005Difficulty 74 (Expert)The Mechanism of Life
Leduc, Stéphane
809 downloadsen2010Difficulty 63 (Academic)The atom and the Bohr theory of its structure : $b an elementary presentation
Holst, Helge & Kramers, Hendrik Anthony
806 downloadsen2023Difficulty 65 (Academic)James Clerk Maxwell and Modern Physics
Glazebrook, Richard
801 downloadsen2021Difficulty 52 (Graduate)Practical Talks by an Astronomer
Jacoby, Harold
800 downloadsen2016Difficulty 56 (Graduate)Henri Poincaré: Biographie, Bibliographie Analytique des Écrits
Lebon, Ernest
793 downloadsfr2010Sidelights on Relativity
Einstein, Albert
792 downloadsen2005Difficulty 69 (Academic)A New Era of Thought
Hinton, Charles Howard
791 downloadsen2019Difficulty 53 (Graduate)Hertzian Wave Wireless Telegraphy
Fleming, J. A. (John Ambrose), Sir
788 downloadsen2012Difficulty 67 (Academic)Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science
Buckley, Arabella B. (Arabella Burton)
787 downloadsen2011Difficulty 58 (Graduate)Scientific American Supplement, No. 365, December 30, 1882
Various
786 downloadsen2006Difficulty 57 (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
784 downloadsen2006Difficulty 68 (Academic)Scientific American Supplement, No. 795, March 28, 1891
Various
783 downloadsen2004Difficulty 62 (Academic)Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
782 downloadsen2012Difficulty 60 (Graduate)The Ether of Space
Lodge, Oliver, Sir
782 downloadsen2012Difficulty 60 (Graduate)The story of the sun, moon, and stars
Giberne, Agnes
782 downloadsen2025Difficulty 47 (College)Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
780 downloadsen2012Difficulty 57 (Graduate)The A B C of Relativity
Russell, Bertrand
780 downloadsen2022Difficulty 55 (Graduate)Pioneer Saturn Encounter
United States. National Aeronautics and Space Administration
778 downloadsen2017Difficulty 62 (Academic)The Chautauquan, Vol. 05, June 1885, No. 9
Chautauqua Literary and Scientific Circle & Chautauqua Institution
771 downloadsen2017Difficulty 53 (Graduate)Blackwood's Edinburgh Magazine, Vol. 76, No. 468, October, 1854
Various
768 downloadsen2025Difficulty 69 (Academic)Michael Faraday, Man of Science
Jerrold, Walter
766 downloadsen2014Difficulty 58 (Graduate)Electricity and Magnetism
Gray, Elisha
764 downloadsen2010Difficulty 52 (Graduate)The Substance of Faith Allied with Science (6th Ed.) A Catechism for Parents and Teachers
Lodge, Oliver, Sir
764 downloadsen2015Difficulty 61 (Academic)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)
761 downloadsen2025Difficulty 64 (Academic)Soap-Bubbles and the Forces Which Mould Them
Boys, C. V. (Charles Vernon)
760 downloadsen2010Difficulty 48 (College)Side-Lights on Astronomy and Kindred Fields of Popular Science
Newcomb, Simon
756 downloadsen2003Difficulty 50 (College)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)
755 downloadsen2011Difficulty 66 (Academic)Science and Medieval Thought The Harveian Oration Delivered Before the Royal College of Physicians, October 18, 1900
Allbutt, T. Clifford (Thomas Clifford)
753 downloadsen2012Difficulty 66 (Academic)Scientific American Supplement, No. 388, June 9, 1883
Various
746 downloadsen2005Difficulty 56 (Graduate)Appletons' Popular Science Monthly, May, 1900 Vol. 57, May, 1900 to October, 1900
Various
745 downloadsen2014Difficulty 60 (Graduate)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
734 downloadsen2018Difficulty 64 (Academic)The telephone : $b a lecture entitled Researches in electric telephony
Bell, Alexander Graham
734 downloadsen2017Difficulty 67 (Academic)Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to April, 1900
Various
733 downloadsen2014Difficulty 58 (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
732 downloadsen2011Difficulty 67 (Academic)Central-Station Electric Lighting With Notes on the Methods Used for the Distribution of Electricity
Hedges, Killingworth
728 downloadsen2020Difficulty 62 (Academic)The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
Various
727 downloadsen2014Difficulty 75 (Expert)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)
726 downloadsen2020Difficulty 58 (Graduate)How to Do Mechanical Tricks Containing Complete Instruction for Performing Over Sixty Ingenious Mechanical Tricks
Anderson, A., active 1894-1902
724 downloadsen2018Difficulty 44 (College)Comet Lore: Halley's Comet in History and Astronomy
Emerson, Edwin
722 downloadsen2021Difficulty 51 (Graduate)Scientific American Supplement, No. 711, August 17, 1889
Various
719 downloadsen2005Difficulty 61 (Academic)Worlds in the making: The evolution of the universe
Arrhenius, Svante
714 downloadsen2022Difficulty 53 (Graduate)Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time
Cunynghame, Henry H. (Henry Hardinge), Sir
712 downloadsen2017Difficulty 48 (College)Auroræ: Their Characters and Spectra
Capron, J. Rand
703 downloadsen2017Difficulty 52 (Graduate)A Brief History of Element Discovery, Synthesis, and Analysis
Watson, Glen W.
701 downloadsen2010Difficulty 65 (Academic)Untersuchungen über die radioaktiven Substanzen von Marie Curie, übersetzt und mit Litteratur-Ergänzungen versehen von W. Kaufmann
Curie, Marie
701 downloadsde2011McClure's Magazine, Vol. 6, No. 5, April, 1896
Various
697 downloadsen2005Difficulty 51 (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)
691 downloadsen2005Difficulty 58 (Graduate)Photographs of Nebulæ and Clusters, Made with the Crossley Reflector
Keeler, James Edward
690 downloadsen2011Difficulty 57 (Graduate)The Letter of Petrus Peregrinus on the Magnet, A.D. 1269
Pierre, de Maricourt, active 13th century
688 downloadsen2015Difficulty 62 (Academic)The calculating engine
Babbage, Charles
684 downloadsen2023Difficulty 71 (Expert)Man or Matter Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought
Lehrs, Ernst
673 downloadsen2004Difficulty 56 (Graduate)Little Masterpieces of Science: Invention and Discovery
Unknown
671 downloadsen2009Difficulty 60 (Graduate)Rough Ways Made Smooth: A series of familiar essays on scientific subjects
Proctor, Richard A. (Richard Anthony)
667 downloadsen2017Difficulty 63 (Academic)Scientific American Supplement, No. 460, October 25, 1884
Various
664 downloadsen2004Difficulty 52 (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
662 downloadsen2023Difficulty 57 (Graduate)L'Académie des sciences et les académiciens de 1666 à 1793
Bertrand, Joseph
660 downloadsfr2016Scientific American Supplement, No. 446, July 19, 1884
Various
658 downloadsen2004Difficulty 55 (Graduate)Easy lessons in Einstein : $b A discussion of the more intelligible features of the theory of relativity
Slosson, Edwin E. (Edwin Emery)
656 downloadsen2025Difficulty 50 (College)Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
656 downloadsen2005Difficulty 59 (Graduate)Scientific American Supplement, No. 492, June 6, 1885
Various
652 downloadsen2004Difficulty 53 (Graduate)Scientific American Supplement, No. 623, December 10, 1887
Various
647 downloadsen2005Difficulty 60 (Graduate)The Einstein Theory of Relativity: A Concise Statement
Lorentz, H. A. (Hendrik Antoon)
644 downloadsen2004Difficulty 63 (Academic)An epitome of electricity & galvanism
Green, Jacob & Hazard, Erskine
641 downloadsen2024Difficulty 67 (Academic)Scientific American Supplement, No. 586, March 26, 1887
Various
637 downloadsen2004Difficulty 51 (Graduate)Kepler
Bryant, Walter W. (Walter William)
617 downloadsen2004Difficulty 65 (Academic)Scientific American Supplement, No. 315, January 14, 1882
Various
611 downloadsen2006Difficulty 63 (Academic)Scientific American Supplement, No. 483, April 4, 1885
Various
609 downloadsen2004Difficulty 55 (Graduate)Scientific American Supplement, No. 598, June 18, 1887
Various
596 downloadsen2004Difficulty 50 (College)Scientific American Supplement, No. 288, July 9, 1881
Various
584 downloadsen2005Difficulty 58 (Graduate)Scientific American Supplement, No. 520, December 19, 1885
Various
561 downloadsen2004Difficulty 56 (Graduate)Experimental Determination of the Velocity of Light Made at the U.S. Naval Academy, Annapolis
Michelson, Albert A. (Albert Abraham)
546 downloadsen2004Difficulty 49 (College)Scientific American Supplement No. 822, October 3, 1891
Various
535 downloadsen2005Difficulty 55 (Graduate)Scientific American Supplement, No. 488, May 9, 1885
Various
533 downloadsen2008Difficulty 50 (College)