Curated Shelf

Physics

Popular Victorian physics — mostly outdated but historically interesting.

579 WorksDrawn from Project Gutenberg Bookshelf #667

The Notebooks of Leonardo Da Vinci — Complete
Leonardo, da Vinci
12,822 Gutenberg downloadsen2004Difficulty 52 (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
6,104 Gutenberg downloadsen2025Difficulty 48 (College)
Opticks : $b or, A treatise of the reflections, refractions, inflections and colours of light
Newton, Isaac
5,438 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Novum organum : $b or, True suggestions for the interpretation of nature
Bacon, Francis
5,246 Gutenberg downloadsen2014Difficulty 71 (Expert)
Philosophiae Naturalis Principia Mathematica
Newton, Isaac
4,645 Gutenberg downloadsla2009
Goethe's Theory of Colours
Goethe, Johann Wolfgang von
4,047 Gutenberg downloadsen2015Difficulty 68 (Academic)
Relativity: The Special and General Theory
Einstein, Albert
3,980 Gutenberg downloadsen2009Difficulty 62 (Academic)
History of the inductive sciences, from the earliest to the present time
Whewell, William
3,965 Gutenberg downloadsen2022Difficulty 52 (Graduate)
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method
Poincaré, Henri
3,920 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Experimental Researches in Electricity, Volume 1
Faraday, Michael
3,413 Gutenberg downloadsen2005Difficulty 62 (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
3,399 Gutenberg downloadsen2009Difficulty 58 (Graduate)
On Growth and Form
Thompson, D'Arcy Wentworth
3,320 Gutenberg downloadsen2017Difficulty 53 (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
3,056 Gutenberg downloadsen2005Difficulty 58 (Graduate)
The Story of the Heavens
Ball, Robert S. (Robert Stawell)
2,636 Gutenberg downloadsen2008Difficulty 49 (College)
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
2,432 Gutenberg downloadsen2014Difficulty 70 (Academic)
Pioneers of Science
Lodge, Oliver, Sir
2,394 Gutenberg downloadsen2009Difficulty 50 (College)
Steam, Its Generation and Use
Babcock & Wilcox Company
2,328 Gutenberg downloadsen2007Difficulty 64 (Academic)
A Popular History of Astronomy During the Nineteenth Century Fourth Edition
Clerke, Agnes M. (Agnes Mary)
2,301 Gutenberg downloadsen2009Difficulty 78 (Expert)
Astronomy for Amateurs
Flammarion, Camille
2,265 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
Tesla, Nikola
2,243 Gutenberg downloadsen2004Difficulty 63 (Academic)
The principles of science : $b a treatise on logic and scientific method
Jevons, William Stanley
2,098 Gutenberg downloadsen2024Difficulty 64 (Academic)
A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma
Munsell, A. H. (Albert Henry)
2,017 Gutenberg 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
1,944 Gutenberg downloadsen2013Difficulty 76 (Expert)
The Boy Electrician
Morgan, Alfred Powell
1,931 Gutenberg downloadsen2020Difficulty 47 (College)
Discoveries and Inventions of the Nineteenth Century
Routledge, Robert
1,918 Gutenberg downloadsen2017Difficulty 51 (Graduate)
A Budget of Paradoxes, Volume I
De Morgan, Augustus
1,869 Gutenberg downloadsen2007Difficulty 55 (Graduate)
Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1
Humboldt, Alexander von
1,763 Gutenberg downloadsen2005Difficulty 67 (Academic)
Bibliographical history of electricity & magnetism, chronologically arranged
Unknown
1,762 Gutenberg downloadsen2024Difficulty 62 (Academic)
The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
Thomson, J. Arthur (John Arthur)
1,762 Gutenberg downloadsen2007Difficulty 66 (Academic)
Pierre Curie
Curie, Marie
1,750 Gutenberg downloadsen2022Difficulty 48 (College)
Myths and Marvels of Astronomy
Proctor, Richard A. (Richard Anthony)
1,718 Gutenberg downloadsen2008Difficulty 66 (Academic)
The Concept of Nature The Tarner Lectures Delivered in Trinity College, November 1919
Whitehead, Alfred North
1,623 Gutenberg downloadsen2006Difficulty 62 (Academic)
Studies in the History and Method of Science, vol. 1 (of 2)
Unknown
1,589 Gutenberg downloadsen2014Difficulty 57 (Graduate)
On the magnet, magnetick bodies also, and on the great magnet the earth a new physiology, demonstrated by many arguments & experiments
Unknown
1,570 Gutenberg downloadsen2010Difficulty 68 (Academic)
Sidelights on Relativity
Einstein, Albert
1,567 Gutenberg downloadsen2005Difficulty 69 (Academic)
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)
1,526 Gutenberg downloadsen2020Difficulty 59 (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
1,521 Gutenberg downloadsen2013Difficulty 61 (Academic)
The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 2 [of 3]
Franklin, Benjamin
1,518 Gutenberg downloadsen2015Difficulty 56 (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
1,461 Gutenberg downloadsen2020Difficulty 67 (Academic)
Giant brains; or, Machines that think
Berkeley, Edmund Callis
1,450 Gutenberg downloadsen2022Difficulty 48 (College)
Physics
Tower, Willis E. (Willis Eugene) & Cope, Thomas D. (Thomas Darlington) & Smith, Charles H. (Charles Henry) & Turton, Charles M. (Charles Mark)
1,395 Gutenberg downloadsen2012Difficulty 54 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Electrostatics" to "Engis" Volume 9, Slice 3
Various
1,343 Gutenberg downloadsen2011Difficulty 66 (Academic)
Galileo Galilei and the Roman Curia From Authentic Sources
Gebler, Karl von
1,336 Gutenberg downloadsen2019Difficulty 53 (Graduate)
周髀算經
Unknown
1,330 Gutenberg downloadszh2004
Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2
Tyndall, John
1,327 Gutenberg downloadsen2008Difficulty 54 (Graduate)
Zetetic astronomy: Earth not a globe! An experimental inquiry into the true figure of the earth etc.
Parallax
1,308 Gutenberg downloadsen2023Difficulty 57 (Graduate)
An Introduction to the History of Science
Libby, Walter
1,282 Gutenberg downloadsen2012Difficulty 62 (Academic)
Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4
Various
1,273 Gutenberg downloadsen2013Difficulty 67 (Academic)
Curiosities of the Sky
Serviss, Garrett Putman
1,263 Gutenberg downloadsen2004Difficulty 60 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7
Various
1,241 Gutenberg downloadsen2013Difficulty 66 (Academic)
The Poetry of Science; or, Studies of the Physical Phenomena of Nature
Hunt, Robert
1,238 Gutenberg downloadsen2016Difficulty 79 (Expert)
The Life of Sir Isaac Newton
Brewster, David
1,225 Gutenberg downloadsen2016Difficulty 73 (Expert)
The Astronomy of Milton's 'Paradise Lost'
Orchard, Thomas Nathaniel
1,223 Gutenberg downloadsen2009Difficulty 64 (Academic)
Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.
Tissandier, Gaston
1,212 Gutenberg downloadsen2016Difficulty 62 (Academic)
Biographies of distinguished scientific men. First series
Arago, F. (François)
1,209 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Six Lectures on Light Delivered In The United States In 1872-1873
Tyndall, John
1,199 Gutenberg downloadsen2004Difficulty 63 (Academic)
Harper's Electricity Book for Boys
Adams, Joseph H. (Joseph Henry)
1,188 Gutenberg downloadsen2021Difficulty 59 (Graduate)
The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture
Maunder, E. Walter (Edward Walter)
1,177 Gutenberg downloadsen2009Difficulty 73 (Expert)
Aether and Gravitation
Hooper, William George
1,174 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants
Flammarion, Camille
1,171 Gutenberg downloadsen2012Difficulty 55 (Graduate)
History of the Conflict Between Religion and Science
Draper, John William
1,168 Gutenberg downloadsen1998Difficulty 62 (Academic)
The Principle of Relativity
Einstein, Albert & Minkowski, H. (Hermann)
1,158 Gutenberg downloadsen2021Difficulty 65 (Academic)
Experiments and Observations on Electricity Made at Philadelphia in America
Franklin, Benjamin
1,155 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Maria Mitchell: Life, Letters, and Journals
Mitchell, Maria
1,155 Gutenberg downloadsen2003Difficulty 56 (Graduate)
The Story of Great Inventions
Burns, Elmer Ellsworth
1,134 Gutenberg downloadsen2011Difficulty 57 (Graduate)
How to Use the Popular Science Library; History of Science; General Index
Serviss, Garrett Putman & Selwyn-Brown, Arthur
1,128 Gutenberg downloadsen2016Difficulty 64 (Academic)
Experiments and Considerations Touching Colours (1664)
Boyle, Robert
1,121 Gutenberg downloadsen2004Difficulty 64 (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
1,114 Gutenberg downloadsen2009Difficulty 58 (Graduate)
Electricity and Magnetism
Gray, Elisha
1,112 Gutenberg downloadsen2010Difficulty 52 (Graduate)
Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind
Zahm, J. A. (John Augustine)
1,109 Gutenberg downloadsen2011Difficulty 66 (Academic)
Michael Faraday, His Life and Work
Thompson, Silvanus P. (Silvanus Phillips)
1,089 Gutenberg downloadsen2021Difficulty 52 (Graduate)
The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler
Brewster, David
1,078 Gutenberg downloadsen2008Difficulty 79 (Expert)
Valerius Terminus: Of the Interpretation of Nature
Bacon, Francis
1,073 Gutenberg downloadsen2002Difficulty 60 (Graduate)
A Field Book of the Stars
Olcott, William Tyler
1,068 Gutenberg downloadsen2007Difficulty 49 (College)
Popular scientific lectures
Mach, Ernst
1,066 Gutenberg downloadsen2012Difficulty 53 (Graduate)
Astronomical Curiosities: Facts and Fallacies
Gore, J. Ellard (John Ellard)
1,053 Gutenberg downloadsen2012Difficulty 54 (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
1,050 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Personal Recollections, from Early Life to Old Age, of Mary Somerville
Somerville, Mary
1,046 Gutenberg downloadsen2009Difficulty 56 (Graduate)
Memoir and Correspondence of Caroline Herschel
Herschel, John, Mrs.
1,044 Gutenberg downloadsen2016Difficulty 60 (Graduate)
Michael Faraday Third Edition, with Portrait
Gladstone, J. H. (John Hall)
1,039 Gutenberg downloadsen2014Difficulty 61 (Academic)
Keely and His Discoveries: Aerial Navigation
Moore, Bloomfield H., Mrs.
1,037 Gutenberg downloadsen2018Difficulty 60 (Graduate)
The Fourth Dimension
Hinton, Charles Howard
1,037 Gutenberg downloadsen2022Difficulty 52 (Graduate)
Catechism of the locomotive
Forney, Matthias N. (Matthias Nace) & Kosak, Georg
1,026 Gutenberg downloadsen2025Difficulty 51 (Graduate)
Makers of Electricity
Potamian, Brother & Walsh, James J. (James Joseph)
1,015 Gutenberg downloadsen2014Difficulty 69 (Academic)
Mechanics of the Household A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances
Keene, E. S. (Edward Spencer)
1,014 Gutenberg downloadsen2016Difficulty 65 (Academic)
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
1,014 Gutenberg downloadsen2014Difficulty 86 (Specialist)
Preliminary Discourse on the Study of Natural Philosophy
Herschel, John F. W. (John Frederick William)
1,011 Gutenberg downloadsen2017Difficulty 77 (Expert)
Sound
Tyndall, John
1,011 Gutenberg downloadsen2017Difficulty 72 (Expert)
Experimental Determination of the Velocity of Light Made at the U.S. Naval Academy, Annapolis
Michelson, Albert A. (Albert Abraham)
1,009 Gutenberg downloadsen2004Difficulty 49 (College)
The Unseen World, and Other Essays
Fiske, John
994 Gutenberg downloadsen1998Difficulty 64 (Academic)
The Telescope
Bell, Louis
989 Gutenberg downloadsen2016Difficulty 66 (Academic)
General Science
Clark, Bertha May
984 Gutenberg downloadsen2005Difficulty 53 (Graduate)
A History of Science — Volume 1
Williams, Henry Smith & Williams, Edward Huntington
983 Gutenberg downloadsen1999Difficulty 65 (Academic)
Famous Men of Science
Bolton, Sarah Knowles
981 Gutenberg downloadsen2011Difficulty 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
975 Gutenberg downloadsen2012Difficulty 59 (Graduate)
Astronomy Explained Upon Sir Isaac Newton's Principles And made easy to those who have not studied mathematics
Ferguson, James
971 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Worlds Within Worlds: The Story of Nuclear Energy, Volume 1 (of 3) Atomic Weights; Energy; Electricity
Asimov, Isaac
971 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Side-Lights on Astronomy and Kindred Fields of Popular Science
Newcomb, Simon
970 Gutenberg downloadsen2003Difficulty 50 (College)
Reflections on the Decline of Science in England, and on Some of Its Causes
Babbage, Charles
969 Gutenberg downloadsen1998Difficulty 63 (Academic)
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
965 Gutenberg downloadsen2011Difficulty 67 (Academic)
Encyclopaedia Britannica, 11th Edition, "Matter" to "Mecklenburg" Volume 17, Slice 8
Various
964 Gutenberg downloadsen2013Difficulty 71 (Expert)
McClure's Magazine, Vol. 6, No. 5, April, 1896
Various
962 Gutenberg downloadsen2005Difficulty 51 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Hydromechanics" to "Ichnography" Volume 14, Slice 2
Various
958 Gutenberg downloadsen2012Difficulty 70 (Academic)
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)
954 Gutenberg downloadsen2015Difficulty 53 (Graduate)
The Progress of the Century
Unknown
949 Gutenberg downloadsen2017Difficulty 69 (Academic)
The Story of Eclipses
Chambers, George F. (George Frederick)
949 Gutenberg downloadsen2008Difficulty 49 (College)
A View of Sir Isaac Newton's Philosophy
Pemberton, Henry
947 Gutenberg downloadsen2016Difficulty 63 (Academic)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, I. Band Von den Anfängen bis zum Wiederaufleben der Wissenschaften
Dannemann, Friedrich
944 Gutenberg downloadsde2016
German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering
Kroeh, Charles Frederick
944 Gutenberg downloadsde2007
On the Connexion of the Physical Sciences
Somerville, Mary
944 Gutenberg downloadsen2016Difficulty 89 (Specialist)
A Guide to the Scientific Knowledge of Things Familiar
Brewer, Ebenezer Cobham
943 Gutenberg downloadsen2012Difficulty 46 (College)
Rollo's Experiments
Abbott, Jacob
942 Gutenberg downloadsen2008Difficulty 35 (High School)
Wonderful Balloon Ascents; Or, The Conquest of the Skies A History of Balloons and Balloon Voyages
Marion, Fulgence
942 Gutenberg downloadsen1997Difficulty 59 (Graduate)
The A B C of Relativity
Russell, Bertrand
940 Gutenberg downloadsen2022Difficulty 55 (Graduate)
The Romance of Modern Invention Containing Interesting Descriptions in Non-technical Language of Wireless Telegraphy, Liquid Air, Modern Artillery, Submarines, Dirigible Torpedoes, Solar Motors, Airships, &c. &c.
Williams, Archibald
937 Gutenberg downloadsen2012Difficulty 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)
936 Gutenberg downloadsen2011Difficulty 66 (Academic)
The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
Various
935 Gutenberg downloadsen2014Difficulty 75 (Expert)
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
934 Gutenberg downloadsen2010Difficulty 100 (Quantum Electrodynamics)
Radio-Activity
Rutherford, Ernest
934 Gutenberg downloadsen2021Difficulty 65 (Academic)
Michael Faraday, Man of Science
Jerrold, Walter
933 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899
Various
924 Gutenberg downloadsen2014Difficulty 58 (Graduate)
The Boy's Book of New Inventions
Maule, Harry E. (Harry Edward)
923 Gutenberg downloadsen2014Difficulty 60 (Graduate)
The Quarterly Journal of Science, Literature and the Arts, July-December, 1827
Various
920 Gutenberg downloadsen2014Difficulty 59 (Graduate)
Things a Boy Should Know About Electricity Second Edition
St. John, Thomas M. (Thomas Matthew)
903 Gutenberg downloadsen2014Difficulty 48 (College)
Thunder and Lightning
Flammarion, Camille
901 Gutenberg downloadsen2013Difficulty 49 (College)
Leonardo da Vinci, Pathfinder of Science
Gillette, Henry S.
898 Gutenberg downloadsen2017Difficulty 51 (Graduate)
A handbook of laboratory glass-blowing
Bolas, Bernard D. (Bernard Dell)
897 Gutenberg downloadsen2010Difficulty 54 (Graduate)
The Life of Galileo Galilei, with Illustrations of the Advancement of Experimental Philosophy Life of Kepler
Bethune, John Elliot Drinkwater
895 Gutenberg downloadsen2013Difficulty 74 (Expert)
The Royal Observatory, Greenwich: A Glance at Its History and Work
Maunder, E. Walter (Edward Walter)
893 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Early American Scientific Instruments and Their Makers
Bedini, Silvio A.
892 Gutenberg downloadsen2012Difficulty 70 (Academic)
Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
892 Gutenberg downloadsen2006Difficulty 56 (Graduate)
The New Physics and Its Evolution
Poincaré, Lucien
889 Gutenberg downloadsen2005Difficulty 81 (Specialist)
Boys' second book of inventions
Baker, Ray Stannard
888 Gutenberg downloadsen2013Difficulty 57 (Graduate)
Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
887 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Common Science
Washburne, Carleton
886 Gutenberg downloadsen2009Difficulty 48 (College)
The calculating engine
Babbage, Charles
885 Gutenberg downloadsen2023Difficulty 71 (Expert)
Five of Maxwell's Papers
Maxwell, James Clerk
884 Gutenberg downloadsen2004Difficulty 63 (Academic)
Scientific American Supplement, No. 595, May 28, 1887
Various
884 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Stargazing: Past and Present
Lockyer, Norman, Sir
884 Gutenberg downloadsen2016Difficulty 50 (College)
The Relations of Science and Religion The Morse Lecture, 1880
Calderwood, Henry
883 Gutenberg downloadsen2011Difficulty 72 (Expert)
The telephone : $b a lecture entitled Researches in electric telephony
Bell, Alexander Graham
882 Gutenberg downloadsen2017Difficulty 67 (Academic)
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
880 Gutenberg downloadsen2015Difficulty 61 (Academic)
Perpetual Motion
Verance, Percy & Dircks, Henry
877 Gutenberg downloadsen2014Difficulty 65 (Academic)
A History of Science — Volume 3
Williams, Henry Smith & Williams, Edward Huntington
875 Gutenberg downloadsen1999Difficulty 77 (Expert)
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
875 Gutenberg downloadsen2011Difficulty 63 (Academic)
On Laboratory Arts
Threlfall, Richard
871 Gutenberg downloadsen2007Difficulty 54 (Graduate)
Scientific American Supplement, No. 460, October 25, 1884
Various
869 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Appletons' Popular Science Monthly, December 1899 Vol. LVI, November, 1899 to April, 1900
Various
865 Gutenberg downloadsen2014Difficulty 72 (Expert)
Lord Kelvin: An account of his scientific life and work
Gray, Andrew
862 Gutenberg downloadsen2012Difficulty 66 (Academic)
La Radiologie et La Guerre
Curie, Marie
861 Gutenberg downloadsfr2013
The Letter of Petrus Peregrinus on the Magnet, A.D. 1269
Pierre, de Maricourt, active 13th century
860 Gutenberg downloadsen2015Difficulty 62 (Academic)
Pumps and Hydraulics, Part 1 (of 2)
Hawkins, N. (Nehemiah)
856 Gutenberg downloadsen2018Difficulty 50 (College)
Monism as Connecting Religion and Science A Man of Science
Haeckel, Ernst
854 Gutenberg downloadsen2005Difficulty 74 (Expert)
The kaleidoscope : $b its history, theory and construction. With its application to the fine and useful arts
Brewster, David
852 Gutenberg downloadsen2024Difficulty 62 (Academic)
Einstein, the searcher : $b his work explained from dialogues with Einstein
Moszkowski, Alexander
851 Gutenberg downloadsen2023Difficulty 61 (Academic)
Kepler
Bryant, Walter W. (Walter William)
851 Gutenberg downloadsen2004Difficulty 65 (Academic)
Index of the Project Gutenberg Works of Benjamin Franklin
Franklin, Benjamin
840 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Invention and Discovery: Curious Facts and Characteristic Sketches
Anonymous
840 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Pyrometry: A Practical Treatise on the Measurement of High Temperatures
Darling, Charles R. (Charles Robert)
840 Gutenberg downloadsen2018Difficulty 71 (Expert)
Appletons' Popular Science Monthly, February 1900 Vol. 56, November, 1899 to April, 1900
Various
837 Gutenberg downloadsen2014Difficulty 62 (Academic)
Letters on Natural Magic; Addressed to Sir Walter Scott, Bart.
Brewster, David
837 Gutenberg downloadsen2016Difficulty 80 (Expert)
Astronomical Discovery
Turner, H. H. (Herbert Hall)
835 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Astronomical Myths: Based on Flammarions's "History of the Heavens"
Blake, J. F. (John Frederick) & Flammarion, Camille
835 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Curiosities of Science, Past and Present A Book for Old and Young
Timbs, John
835 Gutenberg downloadsen2015Difficulty 66 (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
833 Gutenberg downloadsen2004Difficulty 56 (Graduate)
Tube, Train, Tram, and Car; or, Up-to-date locomotion
Beavan, Arthur H. (Arthur Henry)
833 Gutenberg downloadsen2017Difficulty 62 (Academic)
The Einstein Theory of Relativity: A Concise Statement
Lorentz, H. A. (Hendrik Antoon)
832 Gutenberg downloadsen2004Difficulty 63 (Academic)
Eminent literary and scientific men of Italy, Spain, and Portugal. Vol. 2 (of 3)
Montgomery, James & Shelley, Mary Wollstonecraft
831 Gutenberg downloadsen2021Difficulty 69 (Academic)
On Molecular and Microscopic Science, Volume 1 (of 2)
Somerville, Mary
831 Gutenberg downloadsen2017Difficulty 61 (Academic)
The Chautauquan, Vol. 04, October 1883
Chautauqua Literary and Scientific Circle & Chautauqua Institution
831 Gutenberg downloadsen2016Difficulty 50 (College)
A Brief History of Element Discovery, Synthesis, and Analysis
Watson, Glen W.
830 Gutenberg downloadsen2010Difficulty 65 (Academic)
Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
829 Gutenberg downloadsen2006Difficulty 54 (Graduate)
Little Journeys to the Homes of the Great - Volume 12 Little Journeys to the Homes of Great Scientists
Hubbard, Elbert
828 Gutenberg downloadsen2006Difficulty 47 (College)
A History of Science — Volume 5
Williams, Henry Smith & Williams, Edward Huntington
826 Gutenberg downloadsen2009Difficulty 57 (Graduate)
Electricity
McCormick, W. H. (William Henry)
821 Gutenberg downloadsen2023Difficulty 56 (Graduate)
The Story of Electricity
Munro, John
821 Gutenberg downloadsen2003Difficulty 57 (Graduate)
American Journal of Science, Vol. 1.
Various
815 Gutenberg downloadsen2016Difficulty 65 (Academic)
Response in the Living and Non-Living
Bose, Jagadis Chandra
813 Gutenberg downloadsen2006Difficulty 65 (Academic)
The Royal Institution: Its Founder and First Professors
Jones, Bence
813 Gutenberg downloadsen2014Difficulty 52 (Graduate)
Voyager 1 Encounters Saturn
United States. National Aeronautics and Space Administration
813 Gutenberg downloadsen2017Difficulty 62 (Academic)
A Historical Account of Useful Inventions and Scientific Discoveries Being a manual of instruction and entertainment.
Grant, George
812 Gutenberg downloadsen2016Difficulty 62 (Academic)
Comets and Meteors Their phenomena in all ages; their mutual relations; and the theory of their origin.
Kirkwood, Daniel
809 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Every-day Science: Volume 6. The Conquest of Nature
Williams, Henry Smith & Williams, Edward Huntington
808 Gutenberg downloadsen2013Difficulty 53 (Graduate)
夢溪筆談, Volume 07-10
Shen, Kuo
808 Gutenberg downloadszh2005
Conversations on the Plurality of Worlds
Fontenelle, M. de (Bernard Le Bovier)
806 Gutenberg downloadsen2021Difficulty 62 (Academic)
Lectures on Stellar Statistics
Charlier, C. V. L. (Carl Vilhelm Ludwig)
806 Gutenberg downloadsen2007Difficulty 57 (Graduate)
Autobiography of Sir George Biddell Airy
Airy, George Biddell
805 Gutenberg downloadsen2004Difficulty 59 (Graduate)
A History of Science — Volume 2
Williams, Henry Smith & Williams, Edward Huntington
804 Gutenberg downloadsen1999Difficulty 63 (Academic)
Scientific American Supplement, No. 520, December 19, 1885
Various
804 Gutenberg downloadsen2004Difficulty 56 (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
804 Gutenberg downloadsen2023Difficulty 61 (Academic)
A-B-C of Electricity
Meadowcroft, Wm. H. (William Henry)
803 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Heroes of Science: Physicists
Garnett, William
803 Gutenberg downloadsen2012Difficulty 61 (Academic)
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
803 Gutenberg downloadsen2004Difficulty 61 (Academic)
The wonders of radium
Shipley, Maynard
800 Gutenberg downloadsen2025Difficulty 60 (Graduate)
Scientific American Supplement, No. 458, October 11, 1884
Various
799 Gutenberg downloadsen2004Difficulty 58 (Graduate)
Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained
Marcet, Mrs. (Jane Haldimand) & Jones, Thomas P.
798 Gutenberg downloadsen2011Difficulty 50 (College)
Astronomy: The Science of the Heavenly Bodies
Todd, David P. (David Peck)
796 Gutenberg downloadsen2012Difficulty 61 (Academic)
Voyager Encounters Jupiter
United States. National Aeronautics and Space Administration
796 Gutenberg downloadsen2017Difficulty 64 (Academic)
Lightning Conductors: Their History, Nature, and Mode of Application
Anderson, Richard, F.C.S.
795 Gutenberg downloadsen2017Difficulty 58 (Graduate)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, II. Band Von Galilei bis zur Mitte des XVIII. Jahrhunderts
Dannemann, Friedrich
792 Gutenberg downloadsde2017
Memoirs of the Distinguished Men of Science of Great Britain Living in the Years 1807-8
Walker, William
792 Gutenberg downloadsen2018Difficulty 61 (Academic)
Cours de philosophie positive. (2/6)
Comte, Auguste
788 Gutenberg downloadsfr2010
The Mechanism of Life
Leduc, Stéphane
788 Gutenberg downloadsen2010Difficulty 63 (Academic)
A Short History of Astronomy
Berry, Arthur
785 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Pioneer Saturn Encounter
United States. National Aeronautics and Space Administration
785 Gutenberg downloadsen2017Difficulty 62 (Academic)
Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes
Bernstein, Aaron David
785 Gutenberg downloadsen2011Difficulty 50 (College)
Telescopic Work for Starlight Evenings
Denning, William F. (William Frederick)
781 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science
Buckley, Arabella B. (Arabella Burton)
780 Gutenberg downloadsen2011Difficulty 58 (Graduate)
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
779 Gutenberg downloadsen2014Difficulty 69 (Academic)
How it flies : $b 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
778 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Liquid Drops and Globules, Their Formation and Movements Three lectures delivered to popular audiences
Darling, Charles R. (Charles Robert)
776 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Little Masterpieces of Science: Invention and Discovery
Unknown
774 Gutenberg downloadsen2009Difficulty 60 (Graduate)
Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work
Warren, Henry White
773 Gutenberg downloadsen2005Difficulty 50 (College)
Time and Tide: A Romance of the Moon
Ball, Robert S. (Robert Stawell)
773 Gutenberg downloadsen2008Difficulty 52 (Graduate)
Essays on the Microscope Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc.
Adams, George
772 Gutenberg downloadsen2020Difficulty 62 (Academic)
Scientific American Supplement, No. 598, June 18, 1887
Various
772 Gutenberg downloadsen2004Difficulty 50 (College)
Faraday as a Discoverer
Tyndall, John
769 Gutenberg downloadsen1998Difficulty 56 (Graduate)
Soap-Bubbles and the Forces Which Mould Them
Boys, C. V. (Charles Vernon)
767 Gutenberg downloadsen2010Difficulty 48 (College)
From Newton to Einstein: Changing Conceptions of the Universe
Harrow, Benjamin
766 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Science for the School and Family, Part I. Natural Philosophy
Hooker, Worthington
766 Gutenberg downloadsen2016Difficulty 49 (College)
The First Airplane Diesel Engine: Packard Model DR-980 of 1928
Meyer, Robert B.
765 Gutenberg downloadsen2010Difficulty 58 (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)
761 Gutenberg downloadsen2005Difficulty 58 (Graduate)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, III. Band Das Emporblühen der modernen Naturwissenschaften bis zur Entdeckung des Energieprinzipes
Dannemann, Friedrich
759 Gutenberg downloadsde2018
The Popular Science Monthly, September, 1900 Vol. 57, May, 1900 to October, 1900
Various
758 Gutenberg downloadsen2014Difficulty 77 (Expert)
Worlds Within Worlds: The Story of Nuclear Energy, Volume 3 (of 3) Nuclear Fission; Nuclear Fusion; Beyond Fusion
Asimov, Isaac
758 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
755 Gutenberg downloadsen2016Difficulty 67 (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
755 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The Universe a Vast Electric Organism
Warder, Geo. W. (George Woodward)
755 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Scientific American Supplement, No. 288, July 9, 1881
Various
754 Gutenberg downloadsen2005Difficulty 58 (Graduate)
The Source and Mode of Solar Energy Throughout the Universe
Heysinger, Isaac W. (Isaac Winter)
753 Gutenberg downloadsen2018Difficulty 66 (Academic)
On the various forces of nature and their relations to each other
Faraday, Michael
752 Gutenberg downloadsen2016Difficulty 50 (College)
The Plurality of Worlds
Whewell, William
751 Gutenberg downloadsen2011Difficulty 58 (Graduate)
A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
Unknown
750 Gutenberg downloadsen2024Difficulty 60 (Graduate)
Scientific American Supplement, No. 446, July 19, 1884
Various
750 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The Chautauquan, Vol. 05, October 1884, No. 1
Chautauqua Literary and Scientific Circle & Chautauqua Institution
750 Gutenberg downloadsen2017Difficulty 48 (College)
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)
747 Gutenberg downloadsen2025Difficulty 64 (Academic)
Hertzian Wave Wireless Telegraphy
Fleming, J. A. (John Ambrose), Sir
746 Gutenberg downloadsen2012Difficulty 67 (Academic)
Appletons' Popular Science Monthly, April 1900 Vol. 56, Nov. 1899 to April, 1900
Various
745 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Scientific American Supplement, No. 470, January 3, 1885
Various
742 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Man or Matter Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought
Lehrs, Ernst
741 Gutenberg downloadsen2004Difficulty 56 (Graduate)
Science in Short Chapters
Williams, W. Mattieu (William Mattieu)
740 Gutenberg downloadsen2017Difficulty 69 (Academic)
The Warfare of Science
White, Andrew Dickson
739 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time
Cunynghame, Henry H. (Henry Hardinge), Sir
739 Gutenberg downloadsen2017Difficulty 48 (College)
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
733 Gutenberg downloadsen2017Difficulty 69 (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)
732 Gutenberg 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.
731 Gutenberg downloadsen2011Difficulty 66 (Academic)
Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to April, 1900
Various
730 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Harper's New Monthly Magazine, Volume 2, No. 12, May, 1851.
Various
730 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Marvels of Modern Science
Severing, Paul
725 Gutenberg downloadsen2004Difficulty 51 (Graduate)
Sir William Herschel: His Life and Works
Holden, Edward S. (Edward Singleton)
725 Gutenberg downloadsen2009Difficulty 56 (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.
725 Gutenberg downloadsen2017Difficulty 63 (Academic)
The Children's Book of Stars
Mitton, G. E. (Geraldine Edith)
724 Gutenberg downloadsen2009Difficulty 50 (College)
Natural Philosophy
Ostwald, Wilhelm
723 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Scientific American Supplement, No. 483, April 4, 1885
Various
722 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Practical Talks by an Astronomer
Jacoby, Harold
721 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The celestial worlds discover'd : $b or, conjectures concerning the inhabitants, plants and productions of the worlds in the planets
Huygens, Christiaan
718 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Artificial and Natural Flight
Maxim, Hiram S. (Hiram Stevens)
715 Gutenberg downloadsen2014Difficulty 53 (Graduate)
Steam, Steel and Electricity
Steele, James W.
712 Gutenberg downloadsen2005Difficulty 50 (College)
The New Astronomy
Langley, S. P. (Samuel Pierpont)
711 Gutenberg downloadsen2021Difficulty 48 (College)
LRL Accelerators, The 184-Inch Synchrocyclotron
Lawrence Radiation Laboratory
707 Gutenberg downloadsen2010Difficulty 58 (Graduate)
The Advance of Science in the Last Half-Century
Huxley, Thomas Henry
703 Gutenberg downloadsen2005Difficulty 73 (Expert)
Expériences et observations sur l'électricité faites à Philadelphie en Amérique
Franklin, Benjamin
702 Gutenberg downloadsfr2008
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
702 Gutenberg downloadsen2017Difficulty 65 (Academic)
The Machinery of the Universe: Mechanical Conceptions of Physical Phenomena
Dolbear, A. E. (Amos Emerson)
701 Gutenberg downloadsen2009Difficulty 70 (Academic)
Auroræ: Their Characters and Spectra
Capron, J. Rand
700 Gutenberg downloadsen2017Difficulty 52 (Graduate)
Practical Hand Book of Gas, Oil and Steam Engines Stationary, Marine, Traction; Gas Burners, Oil Burners, Etc.; Farm, Traction, Automobile, Locomotive; A simple, practical and comprehensive book on the construction, operation and repair of all kinds of engines. Dealing with the various parts in detail and the various types of engines and also the use of different kinds of fuel.
Rathbun, John B.
700 Gutenberg downloadsen2018Difficulty 71 (Expert)
The universe around us
Jeans, James
700 Gutenberg downloadsen2025Difficulty 62 (Academic)
Flying Machines Today
Ennis, William D. (William Duane)
699 Gutenberg downloadsen2016Difficulty 61 (Academic)
Scientific Studies; or, Practical, in Contrast with Chimerical Pursuits
Dircks, Henry
699 Gutenberg downloadsen2013Difficulty 63 (Academic)
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)
698 Gutenberg downloadsen2022Difficulty 49 (College)
Scientific American Supplement, No. 392, July 7, 1883
Various
698 Gutenberg downloadsen2005Difficulty 63 (Academic)
Scientific American Supplement, No. 363, December 16, 1882
Various
697 Gutenberg downloadsen2005Difficulty 62 (Academic)
Appletons' Popular Science Monthly, May, 1900 Vol. 57, May, 1900 to October, 1900
Various
696 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Curiosities of Light and Sight
Bidwell, Shelford
696 Gutenberg downloadsen2012Difficulty 59 (Graduate)
Scientific American Supplement, No. 492, June 6, 1885
Various
694 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Benjamin Franklin and the First Balloons
Franklin, Benjamin
693 Gutenberg downloadsen2013Difficulty 51 (Graduate)
William Gilbert, and Terrestial Magnetism in the Time of Queen Elizabeth A Discourse
Thompson, Silvanus P. (Silvanus Phillips)
692 Gutenberg downloadsen2014Difficulty 63 (Academic)
Scientific American Supplement No. 819, September 12, 1891
Various
691 Gutenberg downloadsen2005Difficulty 59 (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
690 Gutenberg downloadsen2012Difficulty 71 (Expert)
Scientific American Supplement, No. 315, January 14, 1882
Various
689 Gutenberg downloadsen2006Difficulty 63 (Academic)
The Ways of the Planets
Martin, Martha Evans
689 Gutenberg downloadsen2016Difficulty 53 (Graduate)
L'A. B. C. de l'aviation: Biplans et monoplans
Gastine, Louis
687 Gutenberg downloadsfr2010
Scientific American Supplement, No. 388, June 9, 1883
Various
686 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Henri Poincaré: Biographie, Bibliographie Analytique des Écrits
Lebon, Ernest
684 Gutenberg downloadsfr2010
Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
682 Gutenberg downloadsen2009Difficulty 49 (College)
Scientific American Supplement, No. 711, August 17, 1889
Various
681 Gutenberg downloadsen2005Difficulty 61 (Academic)
Flowers of the Sky
Proctor, Richard A. (Richard Anthony)
679 Gutenberg downloadsen2017Difficulty 59 (Graduate)
Science and Medieval Thought The Harveian Oration Delivered Before the Royal College of Physicians, October 18, 1900
Allbutt, T. Clifford (Thomas Clifford)
679 Gutenberg downloadsen2012Difficulty 66 (Academic)
The unseen universe : $b or, physical speculations on a future state
Stewart, Balfour & Tait, Peter Guthrie
678 Gutenberg downloadsen2025Difficulty 62 (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
677 Gutenberg downloadsen2013Difficulty 56 (Graduate)
Hawkins Electrical Guide v. 03 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications
Hawkins, N. (Nehemiah)
677 Gutenberg downloadsen2015Difficulty 68 (Academic)
New and Original Theories of the Great Physical Forces
Rogers, Henry Raymond
677 Gutenberg downloadsen2008Difficulty 59 (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
677 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Microscopes and Accessory Apparatus: Catalogue No. 40
Leitz, Ernst
676 Gutenberg downloadsen2011Difficulty 61 (Academic)
Encyclopaedia Britannica, 11th Edition, "Conduction, Electric" Volume 6, Slice 8
Various
674 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Scientific American Supplement, No. 586, March 26, 1887
Various
673 Gutenberg downloadsen2004Difficulty 51 (Graduate)
Die Luftschiffahrt der Gegenwart
Hoernes, Hermann
671 Gutenberg downloadsde2013
Scientific American Supplement, No. 795, March 28, 1891
Various
671 Gutenberg downloadsen2004Difficulty 62 (Academic)
Careers in Atomic Energy
McIlhenny, Loyce J.
670 Gutenberg downloadsen2013Difficulty 68 (Academic)
On-Line Data-Acquisition Systems in Nuclear Physics, 1969
National Research Council (U.S.). Ad Hoc Panel on On-line Computers in Nuclear Research
669 Gutenberg downloadsen2013Difficulty 64 (Academic)
Radio-Active Substances
Curie, Marie
668 Gutenberg downloadsen2019Difficulty 63 (Academic)
Scientific American Supplement, No. 433, April 19, 1884
Various
668 Gutenberg downloadsen2005Difficulty 66 (Academic)
Stellar Evolution and Its Relations to Geological Time
Croll, James
668 Gutenberg downloadsen2015Difficulty 60 (Graduate)
The Substance of Faith Allied with Science (6th Ed.) A Catechism for Parents and Teachers
Lodge, Oliver, Sir
667 Gutenberg downloadsen2015Difficulty 61 (Academic)
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
666 Gutenberg downloadsen2006Difficulty 68 (Academic)
Time and Its Measurement
Arthur, James
665 Gutenberg downloadsen2014Difficulty 50 (College)
Scientific American Supplement No. 822, October 3, 1891
Various
664 Gutenberg downloadsen2005Difficulty 55 (Graduate)
Atom Mystery [Young Atom Detective]
Coombs, Charles Ira
663 Gutenberg downloadsen2016Difficulty 36 (High School)
Meteoric astronomy: A treatise on shooting-stars, fire-balls, and aerolites
Kirkwood, Daniel
663 Gutenberg downloadsen2013Difficulty 59 (Graduate)
Facts and fancies in modern science Studies of the relations of science to prevalent speculations and religious belief
Dawson, John William, Sir
662 Gutenberg downloadsen2013Difficulty 62 (Academic)
Scientific American Supplement, No. 299, September 24, 1881
Various
662 Gutenberg downloadsen2005Difficulty 60 (Graduate)
The Ether of Space
Lodge, Oliver, Sir
662 Gutenberg downloadsen2012Difficulty 60 (Graduate)
A Study of Splashes
Worthington, A. M. (Arthur Mason)
658 Gutenberg downloadsen2012Difficulty 58 (Graduate)
Friction, Lubrication and the Lubricants in Horology
Lewis, W. T. (William T.)
657 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Outlines of Creation
Noyce, Elisha
657 Gutenberg downloadsen2015Difficulty 68 (Academic)
Easy lessons in Einstein : $b A discussion of the more intelligible features of the theory of relativity
Slosson, Edwin E. (Edwin Emery)
656 Gutenberg downloadsen2025Difficulty 50 (College)
Elémens de la philosophie de Neuton: Mis à la portée de tout le monde
Voltaire
656 Gutenberg downloadsfr2015
Rough Ways Made Smooth: A series of familiar essays on scientific subjects
Proctor, Richard A. (Richard Anthony)
656 Gutenberg downloadsen2017Difficulty 63 (Academic)
The International Monthly, Volume 5, No. 4, April, 1852
Various
656 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Records of Steam Boiler Explosions
Marten, Edward Bindon
654 Gutenberg downloadsen2014Difficulty 61 (Academic)
The Relations Between Religion and Science Eight Lectures Preached Before the University of Oxford in the Year 1884
Temple, Frederick
654 Gutenberg downloadsen2005Difficulty 52 (Graduate)
The Scientific Monthly, October to December, 1915
Various
654 Gutenberg downloadsen1997Difficulty 64 (Academic)
Star-land: Being Talks With Young People About the Wonders of the Heavens
Ball, Robert S. (Robert Stawell)
653 Gutenberg downloadsen2019Difficulty 46 (College)
The Heavens Above: A Popular Handbook of Astronomy
Gillet, J. A. (Joseph Anthony) & Rolfe, W. J. (William James)
653 Gutenberg downloadsen2019Difficulty 51 (Graduate)
Scientific American Supplement, No. 275, April 9, 1881
Various
650 Gutenberg downloadsen2005Difficulty 57 (Graduate)
Scientific American Supplement, No. 481, March 21, 1885
Various
650 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Scientific American Supplement, No. 365, December 30, 1882
Various
649 Gutenberg downloadsen2006Difficulty 57 (Graduate)
Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
647 Gutenberg downloadsen2012Difficulty 57 (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
646 Gutenberg downloadsen2023Difficulty 60 (Graduate)
Der Vogelflug als Grundlage der Fliegekunst Ein Beitrag zur Systematik der Flugtechnik
Lilienthal, Otto
644 Gutenberg downloadsde2017
La terre et la lune: forme extérieure et structure interne
Puiseux, P. (Pierre Henri)
644 Gutenberg downloadsfr2009
Stories of Starland
Proctor, Mary
644 Gutenberg downloadsen2017Difficulty 36 (High School)
The Chautauquan, Vol. 05, April 1885
Chautauqua Literary and Scientific Circle & Chautauqua Institution
642 Gutenberg downloadsen2017Difficulty 54 (Graduate)
The Academic Gregories
Stewart, Agnes Grainger
639 Gutenberg downloadsen2016Difficulty 59 (Graduate)
The Atomic Fingerprint: Neutron Activation Analysis
Keisch, Bernard
638 Gutenberg downloadsen2015Difficulty 59 (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
636 Gutenberg downloadsen2021Difficulty 66 (Academic)
Joseph Smith as Scientist: A Contribution to Mormon Philosophy
Widtsoe, John Andreas
635 Gutenberg downloadsen2010Difficulty 57 (Graduate)
The Science of the Stars
Maunder, E. Walter (Edward Walter)
635 Gutenberg downloadsen2015Difficulty 48 (College)
Daedalus : $b or, Science and the future
Haldane, J. B. S. (John Burdon Sanderson)
634 Gutenberg downloadsen2023Difficulty 58 (Graduate)
The Chautauquan, Vol. 05, June 1885, No. 9
Chautauqua Literary and Scientific Circle & Chautauqua Institution
634 Gutenberg downloadsen2017Difficulty 53 (Graduate)
The Scientific Basis of National Progress, Including that of Morality
Gore, George
634 Gutenberg downloadsen2010Difficulty 70 (Academic)
Colour Measurement and Mixture
Abney, William de Wiveleslie, Sir
632 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Scientific American Supplement, No. 421, January 26, 1884
Various
631 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Scientific American Supplement, No. 803, May 23, 1891
Various
631 Gutenberg downloadsen2004Difficulty 52 (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)
630 Gutenberg downloadsen2010Difficulty 67 (Academic)
The Splash of a Drop
Worthington, A. M. (Arthur Mason)
630 Gutenberg downloadsen2008Difficulty 52 (Graduate)
Einstein and the universe: A popular exposition of the famous theory
Nordmann, Charles
628 Gutenberg downloadsen2022Difficulty 58 (Graduate)
Scientific American Supplement, No. 623, December 10, 1887
Various
628 Gutenberg downloadsen2005Difficulty 60 (Graduate)
Scientific American Supplement, No. 488, May 9, 1885
Various
625 Gutenberg downloadsen2008Difficulty 50 (College)
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
624 Gutenberg downloadsen2018Difficulty 64 (Academic)
Atoms, Nature, and Man: Man-made Radioactivity in the Environment
Hines, Neal O.
623 Gutenberg downloadsen2015Difficulty 68 (Academic)
The Popular Science Monthly, August, 1900 Vol. 57, May, 1900 to October, 1900
Various
623 Gutenberg downloadsen2014Difficulty 68 (Academic)
First Lessons in Natural Philosophy for Beginners
Martindale, Joseph C. (Joseph Comly)
620 Gutenberg downloadsen2016Difficulty 31 (High School)
Scientific American Supplement, No. 787, January 31, 1891
Various
620 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Untersuchungen über die radioaktiven Substanzen von Marie Curie, übersetzt und mit Litteratur-Ergänzungen versehen von W. Kaufmann
Curie, Marie
620 Gutenberg downloadsde2011
Pleasant Ways in Science
Proctor, Richard A. (Richard Anthony)
619 Gutenberg downloadsen2017Difficulty 59 (Graduate)
The atom and the Bohr theory of its structure : $b an elementary presentation
Holst, Helge & Kramers, Hendrik Anthony
619 Gutenberg downloadsen2023Difficulty 65 (Academic)
The Earliest Electromagnetic Instruments
Chipman, Robert A.
619 Gutenberg downloadsen2010Difficulty 76 (Expert)
Scientific American Supplement, No. 303, October 22, 1881
Various
618 Gutenberg downloadsen2005Difficulty 52 (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)
618 Gutenberg downloadsen2011Difficulty 50 (College)
Lehrbuch der Physik zum Schulgebrauche.
Winter, Wilhelm
617 Gutenberg downloadsde2017
Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
617 Gutenberg downloadsen2009Difficulty 52 (Graduate)
Scientific American Supplement, No. 717, September 28, 1889
Various
615 Gutenberg downloadsen2006Difficulty 53 (Graduate)
New Theories in Astronomy
Stirling, William
613 Gutenberg downloadsen2014Difficulty 63 (Academic)
Teste quadre
Panzacchi, Enrico
611 Gutenberg downloadsit2015
The Natural Philosophy of William Gilbert and His Predecessors
King, W. James (William James)
610 Gutenberg downloadsen2010Difficulty 61 (Academic)
Nuclear Clocks Revised
Faul, Henry
609 Gutenberg downloadsen2015Difficulty 59 (Graduate)
Scientific American, Volume 56, No. 9, February 26, 1887
Various
608 Gutenberg downloadsen2015Difficulty 54 (Graduate)
The uses of astronomy : $b An oration delivered at Albany on the 28th of July, 1856
Everett, Edward
607 Gutenberg downloadsen2005Difficulty 60 (Graduate)
The Herschels and Modern Astronomy
Clerke, Agnes M. (Agnes Mary)
606 Gutenberg downloadsen2021Difficulty 55 (Graduate)
History of the Transformer
Uppenborn, Friedrich
605 Gutenberg downloadsen2018Difficulty 59 (Graduate)
Radioisotopes in Medicine
Phelan, Earl W.
605 Gutenberg downloadsen2015Difficulty 64 (Academic)
L'Académie des sciences et les académiciens de 1666 à 1793
Bertrand, Joseph
604 Gutenberg downloadsfr2016
Scientific American Supplement, No. 648, June 2, 1888.
Various
604 Gutenberg downloadsen2011Difficulty 54 (Graduate)
The Miner's Friend; Or, An Engine to Raise Water by Fire
Savery, Thomas
603 Gutenberg downloadsen2014Difficulty 66 (Academic)
The Problem of Manflight
Means, James
603 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Tratado das Cores Que consta de tres partes: analytica, synthetica, hermeneutica
Sampaio, Diogo de Carvalho e
603 Gutenberg downloadspt2010
Voyage to Jupiter
Morrison, David & Samz, Jane
603 Gutenberg downloadsen2019Difficulty 64 (Academic)
Aeroplanes
Zerbe, James Slough
600 Gutenberg downloadsen1998Difficulty 46 (College)
The Popular Science Monthly, July, 1900 Vol. 57, May, 1900 to October, 1900
Various
600 Gutenberg downloadsen2014Difficulty 56 (Graduate)
Curiosities of heat
Tefft, Lyman Beecher
599 Gutenberg downloadsen2012Difficulty 45 (College)
Mariner Mission to Venus
Jet Propulsion Laboratory (U.S.)
598 Gutenberg downloadsen2017Difficulty 64 (Academic)
On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
Draper, Henry
598 Gutenberg downloadsen2016Difficulty 61 (Academic)
Scientific American Supplement, No. 385, May 19, 1883
Various
598 Gutenberg downloadsen2005Difficulty 58 (Graduate)
Scientific American Supplement, No. 286, June 25, 1881
Various
596 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Gunshot Roentgenograms : $b 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)
595 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Scientific American Supplement, No. 384, May 12, 1883
Various
595 Gutenberg downloadsen2005Difficulty 46 (College)
The hell bomb
Laurence, William L. (William Leonard)
595 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Scientific American Supplement, No. 530, February 27, 1886
Various
594 Gutenberg downloadsen2004Difficulty 58 (Graduate)
The Microscope
Ross, Andrew
593 Gutenberg downloadsen2013Difficulty 65 (Academic)
The New Heavens
Hale, George Ellery
592 Gutenberg downloadsen2006Difficulty 63 (Academic)
Home-made Electrical Apparatus
Morgan, Alfred Powell
591 Gutenberg downloadsen2020Difficulty 46 (College)
Scientific American Supplement, No. 430, March 29, 1884
Various
591 Gutenberg downloadsen2005Difficulty 59 (Graduate)
Scientific American Supplement, No. 455, September 20, 1884
Various
590 Gutenberg downloadsen2004Difficulty 57 (Graduate)
Comet Lore: Halley's Comet in History and Astronomy
Emerson, Edwin
587 Gutenberg downloadsen2021Difficulty 51 (Graduate)
Lives of the electricians : $b Professors Tyndall, Wheatstone, and Morse.
Jeans, William T.
586 Gutenberg downloadsen2024Difficulty 70 (Academic)
Remarks on a Pamphlet Lately published by the Rev. Mr. Maskelyne, Under the Authority of the Board of Longitude
Harrison, John
586 Gutenberg downloadsen2011Difficulty 77 (Expert)
The Library of Work and Play: Electricity and Its Everyday Uses
Woodhull, John F. (John Francis)
586 Gutenberg downloadsen2014Difficulty 48 (College)
Leçons de cosmographie à l'usage des lycées et collèges et de tous les établissements d'instruction publique
Guilmin, A. (Adrien)
585 Gutenberg downloadsfr2007
Light Science for Leisure Hours A series of familiar essays on scientific subjects, natural phenomena, &c.
Proctor, Richard A. (Richard Anthony)
581 Gutenberg downloadsen2017Difficulty 60 (Graduate)
Sir Christopher Wren : $b Scientist, scholar and architect
Weaver, Lawrence
578 Gutenberg downloadsen2023Difficulty 52 (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
578 Gutenberg downloadsen2020Difficulty 67 (Academic)
Scientific American Supplement, No. 601, July 9, 1887
Various
577 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Ancient and Modern Physics
Willson, Thomas Edgar
576 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Parlour Magic
Unknown
573 Gutenberg downloadsen2015Difficulty 100 (Quantum Electrodynamics)
The Molecular Tactics of a Crystal
Kelvin, William Thomson, Baron
571 Gutenberg downloadsen2017Difficulty 68 (Academic)
The telephone, the microphone & the phonograph
Du Moncel, Th., comte
571 Gutenberg downloadsen2025Difficulty 66 (Academic)
Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
569 Gutenberg downloadsen2005Difficulty 59 (Graduate)
Einstein et l'univers: Une lueur dans le mystère des choses
Nordmann, Charles
568 Gutenberg downloadsfr2013
A New Era of Thought
Hinton, Charles Howard
567 Gutenberg downloadsen2019Difficulty 53 (Graduate)
Worlds in the making: The evolution of the universe
Arrhenius, Svante
566 Gutenberg downloadsen2022Difficulty 53 (Graduate)
Das lebende Lichtbild: Entwicklung, Wesen und Bedeutung des Kinematographen
Liesegang, Franz Paul
565 Gutenberg downloadsde2017
The Mirror of Literature, Amusement, and Instruction. Volume 14, No. 404, December 12, 1829
Various
565 Gutenberg downloadsen2004Difficulty 54 (Graduate)
A Treatise on Mechanics
Kater, Henry & Lardner, Dionysius
563 Gutenberg downloadsen2021Difficulty 60 (Graduate)
Astronomical Instruments and Accessories
William Gaertner and Company
563 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Astronomy and General Physics Considered with Reference to Natural Theology
Whewell, William
563 Gutenberg downloadsen2021Difficulty 57 (Graduate)
God and the World: A Survey of Thought
Robinson, Arthur William
563 Gutenberg downloadsen2009Difficulty 60 (Graduate)
Signalling across space without wires being a description of the work of Hertz & his successors
Lodge, Oliver, Sir
562 Gutenberg downloadsen2022Difficulty 60 (Graduate)
Electricity for the 4-H Scientist
Wilson, Eric B.
557 Gutenberg downloadsen2011Difficulty 44 (College)
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
555 Gutenberg downloadsen2024Difficulty 50 (College)
Whole Body Counters
Woodburn, John H. & Lengemann, F. W. (Frederick W.)
553 Gutenberg downloadsen2015Difficulty 64 (Academic)
Scientific American Supplement, No. 467, December 13, 1884
Various
552 Gutenberg downloadsen2014Difficulty 51 (Graduate)
International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 2, July 8, 1850
Various
549 Gutenberg downloadsen2004Difficulty 59 (Graduate)
The Atom and the Ocean
Hull, E. W. Seabrook
549 Gutenberg downloadsen2021Difficulty 61 (Academic)
The stereoscope : $b its history, theory, and construction, with its application to the fine and useful arts and to education
Brewster, David
549 Gutenberg downloadsen2023Difficulty 59 (Graduate)
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
548 Gutenberg downloadsla2016
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Russell, Bertrand
546 Gutenberg downloadsen2021Difficulty 61 (Academic)
The origin and development of the atomic theory
Shipley, Maynard
546 Gutenberg downloadsen2025Difficulty 65 (Academic)
Extra-galactic nebulae
Hubble, Edwin
543 Gutenberg downloadsen2022Difficulty 55 (Graduate)
Watchers of the Sky
Noyes, Alfred
541 Gutenberg downloadsen2004Difficulty 45 (College)
The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action
Dolbear, A. E. (Amos Emerson)
540 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Eureka
Poe, Edgar Allan
539 Gutenberg downloadsfr2017
The story of the sun, moon, and stars
Giberne, Agnes
538 Gutenberg downloadsen2025Difficulty 47 (College)
The Destinies of the Stars
Arrhenius, Svante
537 Gutenberg downloadsen2018Difficulty 54 (Graduate)
The logic of modern physics
Bridgman, P. W. (Percy Williams)
537 Gutenberg downloadsen2023Difficulty 70 (Academic)
James Clerk Maxwell and Modern Physics
Glazebrook, Richard
536 Gutenberg downloadsen2021Difficulty 52 (Graduate)
Spinning Tops The "Operatives' Lecture" of the British Association Meeting at Leeds, 6th September, 1890
Perry, John
535 Gutenberg downloadsen2010Difficulty 56 (Graduate)
The proceedings of the Canadian Eclipse Party, 1869
Ashe, E. D. (Edward David)
535 Gutenberg downloadsen2011Difficulty 48 (College)
Chambers's Journal of Popular Literature, Science, and Art, No. 726 November 24, 1877
Various
532 Gutenberg downloadsen2016Difficulty 51 (Graduate)
Scientific American Supplement, No. 417, December 29, 1883
Various
532 Gutenberg downloadsen2005Difficulty 65 (Academic)
Naturgeschichte einer Kerze : $b Sechs Vorlesungen für die Jugend; Mit einem Lebensabriß Faraday's
Faraday, Michael
531 Gutenberg downloadsde2023
Le Téléphone, le Microphone et le Phonographe
Du Moncel, Th., comte
528 Gutenberg downloadsfr2008
A Brief Account of Radio-activity
Venable, F. P. (Francis Preston)
527 Gutenberg downloadsen2010Difficulty 63 (Academic)
The secret of life, death and immortality : $b a startling proposition, with a chapter devoted to mental therapeutics and instructions for self healing
Fleetwood, Henry
525 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Vasárnapi Könyv. 1914. Első félév 17. füzet
Anonymous
525 Gutenberg downloadshu2010
Address delivered before the British Association assembled at Belfast
Tyndall, John
523 Gutenberg downloadsen2025Difficulty 62 (Academic)
De Usu Ratiocinii Mechanici in Medicina
Boerhaave, Herman
523 Gutenberg downloadsla2005
Where Science and Religion Meet
Palmer, William Scott
523 Gutenberg downloadsen2016Difficulty 51 (Graduate)
Experimental glass blowing for boys
Lynde, Carleton John
521 Gutenberg downloadsen2024Difficulty 39 (High School)
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
519 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Aus Natur und Geisteswelt Sammlung wissenschaftlich-gemeinverständlicher Darstellungen aus allen Gebieten des Wissens
B.G. Teubner (Firm)
519 Gutenberg downloadsde2016
Scientific American Supplement, No. 829, November 21, 1891
Various
518 Gutenberg downloadsen2005Difficulty 63 (Academic)
Standard Measures of United States, Great Britain and France History and actual comparisons. With appendix on introduction of the mètre
Wurtele, Arthur S. C.
518 Gutenberg downloadsen2017Difficulty 56 (Graduate)
Stars and atoms
Eddington, Arthur Stanley, Sir
510 Gutenberg downloadsen2024Difficulty 54 (Graduate)
The Story of a Tinder-box
Tidy, Charles Meymott
510 Gutenberg downloadsen2009Difficulty 48 (College)
Natuurkunde in de Huiskamer: ongeveer 100 proeven met huishoudelijke voorwerpen.
Tit, Tom
509 Gutenberg downloadsnl2016
Modern cosmogonies
Clerke, Agnes M. (Agnes Mary)
508 Gutenberg downloadsen2021Difficulty 64 (Academic)
Scientific American Supplement, No. 441, June 14, 1884.
Various
506 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Thomas Hariot, the Mathematician, the Philosopher and the Scholar
Stevens, Henry
504 Gutenberg downloadsen2004Difficulty 63 (Academic)
Photographs of Nebulæ and Clusters, Made with the Crossley Reflector
Keeler, James Edward
503 Gutenberg downloadsen2011Difficulty 57 (Graduate)
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)
503 Gutenberg downloadsen2020Difficulty 58 (Graduate)
Short-Title Catalog of Publications and Importations of Scientific and Engineering Books (August 1910)
D. Van Nostrand Company
501 Gutenberg downloadsen2017Difficulty 43 (College)
Stars of the southern skies
Orr, M. A. (Mary Acworth)
497 Gutenberg downloadsen2023Difficulty 55 (Graduate)
The Future of Astronomy
Pickering, Edward C. (Edward Charles)
496 Gutenberg downloadsen2005Difficulty 57 (Graduate)
An epitome of electricity & galvanism
Green, Jacob & Hazard, Erskine
495 Gutenberg downloadsen2024Difficulty 67 (Academic)
Principles of electricity
Shipley, Maynard
495 Gutenberg downloadsen2025Difficulty 58 (Graduate)
The Copernicus of Antiquity (Aristarchus of Samos)
Heath, Thomas Little, Sir
494 Gutenberg downloadsen2018Difficulty 59 (Graduate)
The Evolution of Worlds
Lowell, Percival
493 Gutenberg downloadsen2020Difficulty 55 (Graduate)
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Proctor, Mary
492 Gutenberg downloadsen2025Difficulty 59 (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
487 Gutenberg downloadsen2014Difficulty 64 (Academic)
Beitrag zur Beurteilung der Lehren Machs : $b Inaugural-Dissertation zur Erlangung der Doktorwürde
Musil, Robert
484 Gutenberg downloadsde2014
Feltalálók, felfedezők, nagy emberek
Ostwald, Wilhelm
484 Gutenberg downloadshu2025
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
483 Gutenberg downloadsen2016Difficulty 64 (Academic)
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U.S. Army Ballistic Research Laboratory
483 Gutenberg downloadsen2022Difficulty 62 (Academic)
Experiments and Observations Relative to the Influence Lately Discovered by M. Galvani and Commonly Called Animal Electricity
Fowler, Richard
483 Gutenberg downloadsen2014Difficulty 64 (Academic)
The Wonders of Optics
Marion, Fulgence
482 Gutenberg downloadsen2021Difficulty 51 (Graduate)
The Moon: A Popular Treatise
Serviss, Garrett Putman
478 Gutenberg downloadsen2021Difficulty 48 (College)
How to Do Mechanical Tricks Containing Complete Instruction for Performing Over Sixty Ingenious Mechanical Tricks
Anderson, A., active 1894-1902
477 Gutenberg downloadsen2018Difficulty 44 (College)
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
477 Gutenberg downloadsde2006
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
476 Gutenberg downloadsen2023Difficulty 68 (Academic)
X-ray, violet ray, and other rays : $b With their use in modern medicine
Shipley, Maynard
476 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Die Welträtsel: Gemeinverständliche Studien über Monistische Philosophie
Haeckel, Ernst
475 Gutenberg downloadsde2019
Graham's Magazine, Vol. XX, No. 6, June 1842
Various
475 Gutenberg downloadsen2022Difficulty 48 (College)
Meinauer Naturlehre
Unknown
475 Gutenberg downloadsde2009
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
472 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Über die Vulkane im Monde
Kant, Immanuel
471 Gutenberg downloadsde2012
Radiation
Phillips, Percy
470 Gutenberg downloadsen2015Difficulty 55 (Graduate)
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Castelli, Benedetto
469 Gutenberg downloadsit2015
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
469 Gutenberg downloadsde2012
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Bohlin, Karl
469 Gutenberg downloadssv2016
Atoms in Agriculture: Applications of Nuclear Science to Agriculture (Revised)
Osborne, Thomas S.
467 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Lightning, Thunder and Lightning Conductors
Molloy, Gerald
464 Gutenberg downloadsen2022Difficulty 62 (Academic)
Roentgen Rays and Phenomena of the Anode and Cathode.
Thompson, Edward P. (Edward Pruden)
462 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Spectropia; or, Surprising Spectral Illusions Showing Ghosts Everywhere, and of Any Colour
Brown, J. H.
458 Gutenberg downloadsen2020Difficulty 50 (College)
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.
456 Gutenberg downloadsen2024Difficulty 49 (College)
Atoms at the Science Fair: Exhibiting Nuclear Projects
LeCompte, Robert G. & Wood, Burrell L.
455 Gutenberg downloadsen2021Difficulty 62 (Academic)
Scientific American Supplement, No. 611, September 17, 1887
Various
450 Gutenberg downloadsen2005Difficulty 50 (College)
Holcomb, Fitz, and Peate: Three 19th Century American Telescope Makers
Unknown
448 Gutenberg downloadsen2019Difficulty 58 (Graduate)
The natural and artificial disintegration of the elements An address by Professor Sir Ernest Rutherford
Rutherford, Ernest
447 Gutenberg downloadsen2022Difficulty 67 (Academic)
Blackwood's Edinburgh Magazine, Vol. 76, No. 468, October, 1854
Various
446 Gutenberg downloadsen2025Difficulty 69 (Academic)
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
443 Gutenberg downloadsfr2016
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)
443 Gutenberg downloadsen2023Difficulty 46 (College)
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Kahn, Fritz
442 Gutenberg downloadsde2016
Lecture on Artificial Flight Given by request at the Academy of Natural Sciences
Krueger, William G.
442 Gutenberg downloadsen2011Difficulty 66 (Academic)
Lasers
Hellman, Hal
441 Gutenberg downloadsen2021Difficulty 59 (Graduate)
Verklaring van het stoomwerktuig zijnde eene algemeen bevattelijke beschrijving van deszelfs onderscheidene deelen, zamenstelling en werking.
Unknown
441 Gutenberg downloadsnl2010
Warum und Weil. Physikalischer Teil. Fragen und Antworten aus den wichtigsten Gebieten der gesammten Naturlehre.
Ule, Otto
439 Gutenberg downloadsde2020
Sciências Naturaes Pela Redacção da «Educação Nacional»
Anonymous
437 Gutenberg downloadspt2006
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, IV. Band Das Emporblühen der modernen Naturwissenschaften seit der Entdeckung des Energieprinzips
Dannemann, Friedrich
436 Gutenberg downloadsde2019
Books Relating to Applied Science, Published by E. & F. N. Spon, 1890.
E. & F. N. Spon
435 Gutenberg downloadsen2021Difficulty 62 (Academic)
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Stewart, Balfour
433 Gutenberg downloadsen2022Difficulty 57 (Graduate)
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Warford, Aaron A.
432 Gutenberg downloadsen2023Difficulty 54 (Graduate)
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Unknown
431 Gutenberg downloadsen2020Difficulty 65 (Academic)
Von Sonnen und Sonnenstäubchen : $b Kosmische Wanderungen
Bölsche, Wilhelm
427 Gutenberg downloadsde2025
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Unknown
426 Gutenberg downloadsen2019Difficulty 57 (Graduate)
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Whyte, Lancelot Law
423 Gutenberg downloadsen2025Difficulty 66 (Academic)
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Trouvelot, E. L. (Etienne Leopold)
418 Gutenberg downloadsen2022Difficulty 61 (Academic)
De Wonderbouw der Wereld : $b De Grondslagen van Ons Sterrekundig Wereldbeeld Populair Uiteengezet
Pannekoek, Anton
417 Gutenberg downloadsnl2019
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415 Gutenberg downloadsen2021Difficulty 58 (Graduate)
A Plan for Securing Observations of the Variable Stars
Pickering, Edward C. (Edward Charles)
414 Gutenberg downloadsen2011Difficulty 56 (Graduate)
Our Atomic World: The Story of Atomic Energy
Craven, C. Jackson (Claude Jackson)
414 Gutenberg downloadsen2021Difficulty 67 (Academic)
Our Nuclear Future: Facts, Dangers and Opportunities
Teller, Edward & Latter, Albert L.
411 Gutenberg downloadsen2021Difficulty 53 (Graduate)
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Meyer, M. W. (Max Wilhelm)
411 Gutenberg downloadsde2021
The Dominion Astrophysical Observatory, Victoria, B.C.
Plaskett, J. S. (John Stanley)
411 Gutenberg downloadsen2020Difficulty 62 (Academic)
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Sullivan, J. W. N. (John William Navin)
410 Gutenberg downloadsen2025Difficulty 62 (Academic)
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
408 Gutenberg downloadsen2018Difficulty 44 (College)
Central-Station Electric Lighting With Notes on the Methods Used for the Distribution of Electricity
Hedges, Killingworth
407 Gutenberg downloadsen2020Difficulty 62 (Academic)
The Mirror of Literature, Amusement, and Instruction. Volume 12, No. 336, October 18, 1828
Various
405 Gutenberg downloadsen2004Difficulty 57 (Graduate)
The theory of relativity and its influence on scientific thought
Eddington, Arthur Stanley, Sir
402 Gutenberg downloadsen2023Difficulty 63 (Academic)
The Energy System of Matter: A Deduction from Terrestrial Energy Phenomena
Weir, James, active 1883-1912
396 Gutenberg downloadsen2011Difficulty 67 (Academic)
Science Primers, Introductory
Huxley, Thomas Henry
393 Gutenberg downloadsen2019Difficulty 51 (Graduate)
A new discovery for finding the longitude
Hobbs, William
390 Gutenberg downloadsen2025Difficulty 48 (College)
The Sun changes its position in space therefore it cannot be regarded as being "in a condition of rest"
Tischner, August
390 Gutenberg downloadsen2012Difficulty 62 (Academic)
Relativitätstheorie und Erkenntnis Apriori
Reichenbach, Hans
389 Gutenberg downloadsde2018
The Second Boys' Book of Model Aeroplanes
Collins, Francis A. (Francis Arnold)
389 Gutenberg downloadsen2020Difficulty 50 (College)
La naissance et l'évanouissement de la matière
Le Bon, Gustave
388 Gutenberg downloadsfr2022
Le Système Solaire se mouvant
Tischner, August
384 Gutenberg downloadsfr2010
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Tissandier, Gaston
383 Gutenberg downloadsnl2018
Essays, or discourses, vol. 4 (of 4) : $b Selected from the works of Feyjoo, and translated from the Spanish
Feijoo, Benito Jerónimo
382 Gutenberg downloadsen2025Difficulty 72 (Expert)
The evolution of worlds from nebulae
Dean, Lee Parker
380 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Leibniz: Zu seinem zweihunderjährigen Todestag 14. November 1916
Wundt, Wilhelm Max
379 Gutenberg downloadsde2019
Out of Russia
Marriott, Crittenden
378 Gutenberg downloadsen2023Difficulty 36 (High School)
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
378 Gutenberg downloadsen2020Difficulty 61 (Academic)
Dissertation sur la nature et la propagation du feu
Du Châtelet, Gabrielle Emilie Le Tonnelier de Breteuil, marquise
377 Gutenberg downloadsfr2024
On the distribution of intensity in stellar absorption lines
Payne-Gaposchkin, Cecilia & Shapley, Harlow
377 Gutenberg downloadsen2025Difficulty 57 (Graduate)
History of the Harvard College Observatory During the Period 1840-1890
Baker, Daniel W.
376 Gutenberg downloadsen2019Difficulty 57 (Graduate)
A Preliminary Dissertation on the Mechanisms of the Heavens
Somerville, Mary
375 Gutenberg downloadsen2022Difficulty 79 (Expert)
A természettudomány fejlődésének története (2. kötet)
Bölsche, Wilhelm
372 Gutenberg downloadshu2022
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Arrhenius, Svante
369 Gutenberg downloadshu2022
Arago et sa vie scientifique
Bertrand, Joseph
367 Gutenberg downloadsfr2008
Het Nut der Mechanistische Methode in de Geneeskunde
Boerhaave, Herman
367 Gutenberg downloadsnl2005
Clerk Maxwell's electromagnetic theory
Lorentz, H. A. (Hendrik Antoon)
365 Gutenberg downloadsen2023Difficulty 69 (Academic)
Galileo and His Judges
Wegg-Prosser, F. R. (Francis Richard)
364 Gutenberg downloadsen2020Difficulty 68 (Academic)
Observations on the Automaton Chess Player Now Exhibited in London, at 4 Spring Gardens
Oxford graduate
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A discourse on the theory of gunnery Delivered at the anniversary meeting of the Royal Society, November 30, 1778
Pringle, John, Sir
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The Mysterious Box: Nuclear Science and Art
Keisch, Bernard
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An epitome of astronomy, with the new discoveries including an account of the eídouraníon, or transparent orrery
Walker, William
354 Gutenberg downloadsen2020Difficulty 65 (Academic)
Beschrijving van het Rijks-Planetarium te Franeker Van 1772 tot 1780 uitgedacht en vervaardigd door Eise Eisinga
Swinden, Jan Hendrik van & Eekhoff, W. (Wopke)
353 Gutenberg downloadsnl2020
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Hardley, Robert
351 Gutenberg downloadsen2004Difficulty 66 (Academic)
War in Heaven
Pratt, Fletcher
351 Gutenberg downloadsen2023Difficulty 53 (Graduate)
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
348 Gutenberg downloadsen2019Difficulty 68 (Academic)
Remarks of the President in Presenting to Madam Curie a Gift of Radium from the American People
Harding, Warren G. (Warren Gamaliel)
347 Gutenberg downloadsen2019Difficulty 60 (Graduate)
The new science of space speech
Gaddis, Vincent H. (Vincent Hayes)
344 Gutenberg downloadsen2025Difficulty 56 (Graduate)
Die Welt der Planeten
Meyer, M. W. (Max Wilhelm)
341 Gutenberg downloadsde2018
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Rutherford, Ernest
341 Gutenberg downloadsen2023Difficulty 65 (Academic)
The peaceful atom
Hunt, Bernice Kohn
335 Gutenberg downloadsen2023Difficulty 42 (College)
Geometrical Solutions Derived from Mechanics; a Treatise of Archimedes
Archimedes
334 Gutenberg downloadsen2005Difficulty 67 (Academic)
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 40, Vol. I, October 4, 1884
Various
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Light and Colour Theories, and their relation to light and colour standardization
Lovibond, Joseph W. (Joseph Williams)
330 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Photographic investigations of faint nebulae
Hubble, Edwin
313 Gutenberg downloadsen2023Difficulty 53 (Graduate)
Physical Amusements and Diverting Experiments Composed and Performed in Different Capitals of Europe, and in London
Pinetti, Giuseppe
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Collezione dell'opere del Cavaliere Conte Alessandro Volta - Tomo I, Parte I
Volta, Alessandro
304 Gutenberg downloadsit2019
American Horological Journal, Vol. I, No. 1, July 1869: Devoted to Pratical Horology
Unknown
297 Gutenberg downloadsen2022Difficulty 60 (Graduate)
The highest aim of the physicist
Rowland, Henry Augustus
296 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Chambers's Journal of Popular Literature, Science, and Art, fifth series, no. 126, vol. III, May 29, 1886
Various
295 Gutenberg downloadsen2023Difficulty 54 (Graduate)
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
292 Gutenberg downloadsen2005Difficulty 51 (Graduate)
Astronomy for Young Australians
Bonwick, James
283 Gutenberg downloadsen2018Difficulty 33 (High School)
Was mir das Sternenlicht erzählt: Eine populäre Himmelskunde für die Jugend
Erber, Felix
282 Gutenberg downloadsde2018
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The Notebooks of Leonardo Da Vinci — Complete

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Galileo Galilei and the Roman Curia From Authentic Sources

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Curiosities of the Sky

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Six Lectures on Light Delivered In The United States In 1872-1873

Harper's Electricity Book for Boys

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

Aether and Gravitation

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History of the Conflict Between Religion and Science

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Experiments and Observations on Electricity Made at Philadelphia in America

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

Experiments and Considerations Touching Colours (1664)

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Memoir and Correspondence of Caroline Herschel

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