Physics
Popular Victorian physics — mostly outdated but historically interesting.
The Notebooks of Leonardo Da Vinci — Complete
Leonardo, da Vinci
33,964 Gutenberg downloadsen2004Difficulty 52 (Graduate)A Budget of Paradoxes, Volume I
De Morgan, Augustus
7,293 Gutenberg downloadsen2007Difficulty 55 (Graduate)Steam, Its Generation and Use
Babcock & Wilcox Company
6,915 Gutenberg downloadsen2007Difficulty 64 (Academic)The Story of the Heavens
Ball, Robert S. (Robert Stawell)
5,047 Gutenberg downloadsen2008Difficulty 49 (College)Astronomy for Amateurs
Flammarion, Camille
4,632 Gutenberg downloadsen2008Difficulty 51 (Graduate)The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler
Brewster, David
4,290 Gutenberg downloadsen2008Difficulty 79 (Expert)The book of wonders : $b gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer...
Unknown
3,941 Gutenberg downloadsen2025Difficulty 48 (College)Myths and Marvels of Astronomy
Proctor, Richard A. (Richard Anthony)
3,668 Gutenberg downloadsen2008Difficulty 66 (Academic)Opticks : $b or, A treatise of the reflections, refractions, inflections and colours of light
Newton, Isaac
3,619 Gutenberg downloadsen2010Difficulty 58 (Graduate)Novum organum : $b or, True suggestions for the interpretation of nature
Bacon, Francis
3,341 Gutenberg downloadsen2014Difficulty 71 (Expert)Goethe's Theory of Colours
Goethe, Johann Wolfgang von
3,322 Gutenberg downloadsen2015Difficulty 68 (Academic)The Astronomy of Milton's 'Paradise Lost'
Orchard, Thomas Nathaniel
3,284 Gutenberg downloadsen2009Difficulty 64 (Academic)A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma
Munsell, A. H. (Albert Henry)
3,237 Gutenberg downloadsen2008Difficulty 51 (Graduate)Philosophiae Naturalis Principia Mathematica
Newton, Isaac
3,201 Gutenberg downloadsla2009On Growth and Form
Thompson, D'Arcy Wentworth
2,717 Gutenberg downloadsen2017Difficulty 53 (Graduate)Relativity: The Special and General Theory
Einstein, Albert
2,546 Gutenberg downloadsen2009Difficulty 62 (Academic)Experimental Researches in Electricity, Volume 1
Faraday, Michael
2,345 Gutenberg downloadsen2005Difficulty 62 (Academic)The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method
Poincaré, Henri
2,306 Gutenberg downloadsen2012Difficulty 60 (Graduate)Rollo's Experiments
Abbott, Jacob
1,905 Gutenberg downloadsen2008Difficulty 35 (High School)The principles of science : $b a treatise on logic and scientific method
Jevons, William Stanley
1,777 Gutenberg downloadsen2024Difficulty 64 (Academic)Discoveries and Inventions of the Nineteenth Century
Routledge, Robert
1,702 Gutenberg downloadsen2017Difficulty 51 (Graduate)A Popular History of Astronomy During the Nineteenth Century Fourth Edition
Clerke, Agnes M. (Agnes Mary)
1,696 Gutenberg downloadsen2009Difficulty 78 (Expert)The Boy Electrician
Morgan, Alfred Powell
1,696 Gutenberg downloadsen2020Difficulty 47 (College)Bibliographical history of electricity & magnetism, chronologically arranged
Unknown
1,685 Gutenberg downloadsen2024Difficulty 62 (Academic)Encyclopaedia Britannica, 11th Edition, "Electrostatics" to "Engis" Volume 9, Slice 3
Various
1,669 Gutenberg 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
1,621 Gutenberg downloadsen2009Difficulty 58 (Graduate)Encyclopaedia Britannica, 11th Edition, "Matter" to "Mecklenburg" Volume 17, Slice 8
Various
1,594 Gutenberg downloadsen2013Difficulty 71 (Expert)Pierre Curie
Curie, Marie
1,526 Gutenberg downloadsen2022Difficulty 48 (College)German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering
Kroeh, Charles Frederick
1,470 Gutenberg downloadsde2007Giant brains; or, Machines that think
Berkeley, Edmund Callis
1,466 Gutenberg downloadsen2022Difficulty 48 (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
1,448 Gutenberg downloadsen2014Difficulty 70 (Academic)Index of the Project Gutenberg Works of Benjamin Franklin
Franklin, Benjamin
1,446 Gutenberg downloadsen2019Difficulty 58 (Graduate)Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.
Tissandier, Gaston
1,421 Gutenberg downloadsen2016Difficulty 62 (Academic)Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2
Tyndall, John
1,418 Gutenberg downloadsen2008Difficulty 54 (Graduate)Einstein's Theories of Relativity and Gravitation A selection of material from the essays submitted in the competition for the Eugene Higgins prize of $5,000
Bird, J. Malcolm (James Malcolm)
1,417 Gutenberg downloadsen2020Difficulty 59 (Graduate)Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1
Humboldt, Alexander von
1,399 Gutenberg downloadsen2005Difficulty 67 (Academic)Zetetic astronomy: Earth not a globe! An experimental inquiry into the true figure of the earth etc.
Parallax
1,397 Gutenberg downloadsen2023Difficulty 57 (Graduate)The Concept of Nature The Tarner Lectures Delivered in Trinity College, November 1919
Whitehead, Alfred North
1,377 Gutenberg downloadsen2006Difficulty 62 (Academic)Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
Tesla, Nikola
1,372 Gutenberg downloadsen2004Difficulty 63 (Academic)The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 2 [of 3]
Franklin, Benjamin
1,314 Gutenberg downloadsen2015Difficulty 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
1,291 Gutenberg downloadsen2012Difficulty 56 (Graduate)The Life of Sir Isaac Newton
Brewster, David
1,275 Gutenberg downloadsen2016Difficulty 73 (Expert)Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7
Various
1,272 Gutenberg downloadsen2013Difficulty 66 (Academic)The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture
Maunder, E. Walter (Edward Walter)
1,271 Gutenberg downloadsen2009Difficulty 73 (Expert)The Boy's Book of New Inventions
Maule, Harry E. (Harry Edward)
1,260 Gutenberg downloadsen2014Difficulty 60 (Graduate)How to Use the Popular Science Library; History of Science; General Index
Serviss, Garrett Putman & Selwyn-Brown, Arthur
1,244 Gutenberg downloadsen2016Difficulty 64 (Academic)The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
Thomson, J. Arthur (John Arthur)
1,241 Gutenberg downloadsen2007Difficulty 66 (Academic)The Principle of Relativity
Einstein, Albert & Minkowski, H. (Hermann)
1,238 Gutenberg downloadsen2021Difficulty 65 (Academic)On the magnet, magnetick bodies also, and on the great magnet the earth a new physiology, demonstrated by many arguments & experiments
Unknown
1,211 Gutenberg downloadsen2010Difficulty 68 (Academic)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
1,191 Gutenberg downloadsen2005Difficulty 58 (Graduate)Encyclopaedia Britannica, 11th Edition, "Hydromechanics" to "Ichnography" Volume 14, Slice 2
Various
1,174 Gutenberg downloadsen2012Difficulty 70 (Academic)Studies in the History and Method of Science, vol. 1 (of 2)
Unknown
1,171 Gutenberg downloadsen2014Difficulty 57 (Graduate)The Story of Great Inventions
Burns, Elmer Ellsworth
1,169 Gutenberg downloadsen2011Difficulty 57 (Graduate)History of the Conflict Between Religion and Science
Draper, John William
1,164 Gutenberg downloadsen1998Difficulty 62 (Academic)Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants
Flammarion, Camille
1,153 Gutenberg downloadsen2012Difficulty 55 (Graduate)Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4
Various
1,136 Gutenberg downloadsen2013Difficulty 67 (Academic)Physics
Tower, Willis E. (Willis Eugene) & Cope, Thomas D. (Thomas Darlington) & Smith, Charles H. (Charles Henry) & Turton, Charles M. (Charles Mark)
1,128 Gutenberg downloadsen2012Difficulty 54 (Graduate)History of the inductive sciences, from the earliest to the present time
Whewell, William
1,111 Gutenberg downloadsen2022Difficulty 52 (Graduate)Makers of Electricity
Potamian, Brother & Walsh, James J. (James Joseph)
1,101 Gutenberg downloadsen2014Difficulty 69 (Academic)The Progress of the Century
Unknown
1,089 Gutenberg downloadsen2017Difficulty 69 (Academic)Astronomical Curiosities: Facts and Fallacies
Gore, J. Ellard (John Ellard)
1,078 Gutenberg downloadsen2012Difficulty 54 (Graduate)A Field Book of the Stars
Olcott, William Tyler
1,056 Gutenberg downloadsen2007Difficulty 49 (College)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
1,038 Gutenberg downloadsen2013Difficulty 61 (Academic)The Royal Institution: Its Founder and First Professors
Jones, Bence
1,029 Gutenberg downloadsen2014Difficulty 52 (Graduate)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
1,026 Gutenberg downloadsen2009Difficulty 57 (Graduate)The A B C of Relativity
Russell, Bertrand
1,021 Gutenberg downloadsen2022Difficulty 55 (Graduate)Keely and His Discoveries: Aerial Navigation
Moore, Bloomfield H., Mrs.
1,017 Gutenberg downloadsen2018Difficulty 60 (Graduate)Pyrometry: A Practical Treatise on the Measurement of High Temperatures
Darling, Charles R. (Charles Robert)
1,016 Gutenberg downloadsen2018Difficulty 71 (Expert)Leonardo da Vinci, Pathfinder of Science
Gillette, Henry S.
1,001 Gutenberg downloadsen2017Difficulty 51 (Graduate)The Story of Eclipses
Chambers, George F. (George Frederick)
998 Gutenberg downloadsen2008Difficulty 49 (College)Eminent literary and scientific men of Italy, Spain, and Portugal. Vol. 2 (of 3)
Montgomery, James & Shelley, Mary Wollstonecraft
995 Gutenberg downloadsen2021Difficulty 69 (Academic)Practical Hand Book of Gas, Oil and Steam Engines Stationary, Marine, Traction; Gas Burners, Oil Burners, Etc.; Farm, Traction, Automobile, Locomotive; A simple, practical and comprehensive book on the construction, operation and repair of all kinds of engines. Dealing with the various parts in detail and the various types of engines and also the use of different kinds of fuel.
Rathbun, John B.
989 Gutenberg downloadsen2018Difficulty 71 (Expert)An Introduction to the History of Science
Libby, Walter
985 Gutenberg downloadsen2012Difficulty 62 (Academic)Every-day Science: Volume 6. The Conquest of Nature
Williams, Henry Smith & Williams, Edward Huntington
982 Gutenberg downloadsen2013Difficulty 53 (Graduate)Einstein, the searcher : $b his work explained from dialogues with Einstein
Moszkowski, Alexander
979 Gutenberg downloadsen2023Difficulty 61 (Academic)Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind
Zahm, J. A. (John Augustine)
971 Gutenberg downloadsen2011Difficulty 66 (Academic)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
970 Gutenberg downloadsen2020Difficulty 67 (Academic)A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
Unknown
968 Gutenberg downloadsen2024Difficulty 60 (Graduate)Michael Faraday, His Life and Work
Thompson, Silvanus P. (Silvanus Phillips)
967 Gutenberg downloadsen2021Difficulty 52 (Graduate)The calculating engine
Babbage, Charles
965 Gutenberg downloadsen2023Difficulty 71 (Expert)The Life of Galileo Galilei, with Illustrations of the Advancement of Experimental Philosophy Life of Kepler
Bethune, John Elliot Drinkwater
961 Gutenberg downloadsen2013Difficulty 74 (Expert)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
957 Gutenberg downloadsen2012Difficulty 59 (Graduate)Valerius Terminus: Of the Interpretation of Nature
Bacon, Francis
956 Gutenberg downloadsen2002Difficulty 60 (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
951 Gutenberg downloadsen2014Difficulty 86 (Specialist)Harper's Electricity Book for Boys
Adams, Joseph H. (Joseph Henry)
933 Gutenberg downloadsen2021Difficulty 59 (Graduate)A Short History of Astronomy
Berry, Arthur
925 Gutenberg downloadsen2019Difficulty 58 (Graduate)Catechism of the locomotive
Forney, Matthias N. (Matthias Nace) & Kosak, Georg
922 Gutenberg downloadsen2025Difficulty 51 (Graduate)Personal Recollections, from Early Life to Old Age, of Mary Somerville
Somerville, Mary
914 Gutenberg downloadsen2009Difficulty 56 (Graduate)The International Monthly, Volume 5, No. 4, April, 1852
Various
913 Gutenberg downloadsen2011Difficulty 58 (Graduate)Famous Men of Science
Bolton, Sarah Knowles
911 Gutenberg downloadsen2011Difficulty 54 (Graduate)Tube, Train, Tram, and Car; or, Up-to-date locomotion
Beavan, Arthur H. (Arthur Henry)
908 Gutenberg downloadsen2017Difficulty 62 (Academic)Reflections on the Decline of Science in England, and on Some of Its Causes
Babbage, Charles
904 Gutenberg downloadsen1998Difficulty 63 (Academic)The Universe a Vast Electric Organism
Warder, Geo. W. (George Woodward)
903 Gutenberg downloadsen2011Difficulty 59 (Graduate)American Journal of Science, Vol. 1.
Various
898 Gutenberg downloadsen2016Difficulty 65 (Academic)The Substance of Faith Allied with Science (6th Ed.) A Catechism for Parents and Teachers
Lodge, Oliver, Sir
897 Gutenberg downloadsen2015Difficulty 61 (Academic)From Newton to Einstein: Changing Conceptions of the Universe
Harrow, Benjamin
896 Gutenberg downloadsen2019Difficulty 52 (Graduate)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
887 Gutenberg downloadsen2004Difficulty 56 (Graduate)Sidelights on Relativity
Einstein, Albert
874 Gutenberg downloadsen2005Difficulty 69 (Academic)Michael Faraday Third Edition, with Portrait
Gladstone, J. H. (John Hall)
873 Gutenberg downloadsen2014Difficulty 61 (Academic)Essays: Scientific, Political, & Speculative; Vol. 2 of 3 Library Edition (1891), Containing Seven Essays not before Republished, and Various other Additions.
Spencer, Herbert
872 Gutenberg downloadsen2016Difficulty 67 (Academic)Curiosities of the Sky
Serviss, Garrett Putman
871 Gutenberg downloadsen2004Difficulty 60 (Graduate)A View of Sir Isaac Newton's Philosophy
Pemberton, Henry
868 Gutenberg downloadsen2016Difficulty 63 (Academic)Common Science
Washburne, Carleton
867 Gutenberg downloadsen2009Difficulty 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
867 Gutenberg downloadsen2017Difficulty 69 (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
852 Gutenberg downloadsen2011Difficulty 67 (Academic)Galileo Galilei and the Roman Curia From Authentic Sources
Gebler, Karl von
852 Gutenberg downloadsen2019Difficulty 53 (Graduate)Michael Faraday, Man of Science
Jerrold, Walter
850 Gutenberg downloadsen2014Difficulty 58 (Graduate)Easy lessons in Einstein : $b A discussion of the more intelligible features of the theory of relativity
Slosson, Edwin E. (Edwin Emery)
849 Gutenberg downloadsen2025Difficulty 50 (College)The Poetry of Science; or, Studies of the Physical Phenomena of Nature
Hunt, Robert
848 Gutenberg downloadsen2016Difficulty 79 (Expert)Popular scientific lectures
Mach, Ernst
844 Gutenberg downloadsen2012Difficulty 53 (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
843 Gutenberg downloadsen2004Difficulty 56 (Graduate)Maria Mitchell: Life, Letters, and Journals
Mitchell, Maria
843 Gutenberg downloadsen2003Difficulty 56 (Graduate)Scientific American Supplement, No. 460, October 25, 1884
Various
834 Gutenberg downloadsen2004Difficulty 52 (Graduate)The kaleidoscope : $b its history, theory and construction. With its application to the fine and useful arts
Brewster, David
829 Gutenberg downloadsen2024Difficulty 62 (Academic)The Telescope
Bell, Louis
828 Gutenberg downloadsen2016Difficulty 66 (Academic)Preliminary Discourse on the Study of Natural Philosophy
Herschel, John F. W. (John Frederick William)
819 Gutenberg downloadsen2017Difficulty 77 (Expert)The Fourth Dimension
Hinton, Charles Howard
818 Gutenberg downloadsen2022Difficulty 52 (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
818 Gutenberg downloadsen2023Difficulty 61 (Academic)Side-Lights on Astronomy and Kindred Fields of Popular Science
Newcomb, Simon
817 Gutenberg downloadsen2003Difficulty 50 (College)The Unseen World, and Other Essays
Fiske, John
817 Gutenberg downloadsen1998Difficulty 64 (Academic)Experiments and Observations on Electricity Made at Philadelphia in America
Franklin, Benjamin
816 Gutenberg downloadsen2014Difficulty 54 (Graduate)Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966
Lenzen, Victor F. (Victor Fritz) & Multhauf, Robert P.
812 Gutenberg downloadsen2011Difficulty 66 (Academic)Experiments and Considerations Touching Colours (1664)
Boyle, Robert
812 Gutenberg downloadsen2004Difficulty 64 (Academic)Wonderful Balloon Ascents; Or, The Conquest of the Skies A History of Balloons and Balloon Voyages
Marion, Fulgence
811 Gutenberg downloadsen1997Difficulty 59 (Graduate)Astronomy Explained Upon Sir Isaac Newton's Principles And made easy to those who have not studied mathematics
Ferguson, James
805 Gutenberg downloadsen2019Difficulty 52 (Graduate)On the various forces of nature and their relations to each other
Faraday, Michael
801 Gutenberg downloadsen2016Difficulty 50 (College)The Chautauquan, Vol. 04, October 1883
Chautauqua Literary and Scientific Circle & Chautauqua Institution
799 Gutenberg downloadsen2016Difficulty 50 (College)Einstein and the universe: A popular exposition of the famous theory
Nordmann, Charles
798 Gutenberg downloadsen2022Difficulty 58 (Graduate)The Steam Engine Explained and Illustrated (Seventh Edition) With an Account of Its Invention and Progressive Improvement, and Its Application to Navigation and Railways; Including Also a Memoir of Watt
Lardner, Dionysius
798 Gutenberg downloadsen2013Difficulty 76 (Expert)Perpetual Motion
Verance, Percy & Dircks, Henry
789 Gutenberg downloadsen2014Difficulty 65 (Academic)A History of Science — Volume 1
Williams, Henry Smith & Williams, Edward Huntington
787 Gutenberg downloadsen1999Difficulty 65 (Academic)Thunder and Lightning
Flammarion, Camille
786 Gutenberg downloadsen2013Difficulty 49 (College)Early American Scientific Instruments and Their Makers
Bedini, Silvio A.
785 Gutenberg downloadsen2012Difficulty 70 (Academic)A History of Science — Volume 5
Williams, Henry Smith & Williams, Edward Huntington
784 Gutenberg downloadsen2009Difficulty 57 (Graduate)Sir William Herschel: His Life and Works
Holden, Edward S. (Edward Singleton)
783 Gutenberg downloadsen2009Difficulty 56 (Graduate)The New Physics and Its Evolution
Poincaré, Lucien
783 Gutenberg downloadsen2005Difficulty 81 (Specialist)周髀算經
Unknown
782 Gutenberg downloadszh2004A-B-C of Electricity
Meadowcroft, Wm. H. (William Henry)
780 Gutenberg downloadsen2014Difficulty 51 (Graduate)On the Connexion of the Physical Sciences
Somerville, Mary
778 Gutenberg downloadsen2016Difficulty 89 (Specialist)Die Welträtsel: Gemeinverständliche Studien über Monistische Philosophie
Haeckel, Ernst
775 Gutenberg downloadsde2019The Quarterly Journal of Science, Literature and the Arts, July-December, 1827
Various
775 Gutenberg downloadsen2014Difficulty 59 (Graduate)The Scientific Monthly, October to December, 1915
Various
774 Gutenberg downloadsen1997Difficulty 64 (Academic)James Clerk Maxwell and Modern Physics
Glazebrook, Richard
773 Gutenberg downloadsen2021Difficulty 52 (Graduate)Soap-Bubbles and the Forces Which Mould Them
Boys, C. V. (Charles Vernon)
767 Gutenberg downloadsen2010Difficulty 48 (College)Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments
Serviss, Garrett Putman
766 Gutenberg downloadsen2011Difficulty 59 (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)
764 Gutenberg downloadsen2015Difficulty 68 (Academic)The Letter of Petrus Peregrinus on the Magnet, A.D. 1269
Pierre, de Maricourt, active 13th century
760 Gutenberg downloadsen2015Difficulty 62 (Academic)Memoirs of the Distinguished Men of Science of Great Britain Living in the Years 1807-8
Walker, William
756 Gutenberg downloadsen2018Difficulty 61 (Academic)The Library of Work and Play: Electricity and Its Everyday Uses
Woodhull, John F. (John Francis)
755 Gutenberg downloadsen2014Difficulty 48 (College)Aether and Gravitation
Hooper, William George
754 Gutenberg downloadsen2008Difficulty 55 (Graduate)Lightning Conductors: Their History, Nature, and Mode of Application
Anderson, Richard, F.C.S.
753 Gutenberg downloadsen2017Difficulty 58 (Graduate)Autobiography of Sir George Biddell Airy
Airy, George Biddell
750 Gutenberg downloadsen2004Difficulty 59 (Graduate)Mechanics of the Household A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances
Keene, E. S. (Edward Spencer)
750 Gutenberg downloadsen2016Difficulty 65 (Academic)A handbook of laboratory glass-blowing
Bolas, Bernard D. (Bernard Dell)
744 Gutenberg downloadsen2010Difficulty 54 (Graduate)Voyage to Jupiter
Morrison, David & Samz, Jane
744 Gutenberg downloadsen2019Difficulty 64 (Academic)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
741 Gutenberg downloadsen2010Difficulty 100 (Quantum Electrodynamics)General Science
Clark, Bertha May
736 Gutenberg downloadsen2005Difficulty 53 (Graduate)Curiosities of Science, Past and Present A Book for Old and Young
Timbs, John
728 Gutenberg downloadsen2015Difficulty 66 (Academic)Little Journeys to the Homes of the Great - Volume 12 Little Journeys to the Homes of Great Scientists
Hubbard, Elbert
728 Gutenberg downloadsen2006Difficulty 47 (College)Auroræ: Their Characters and Spectra
Capron, J. Rand
724 Gutenberg downloadsen2017Difficulty 52 (Graduate)Pioneers of Science
Lodge, Oliver, Sir
724 Gutenberg downloadsen2009Difficulty 50 (College)Worlds Within Worlds: The Story of Nuclear Energy, Volume 1 (of 3) Atomic Weights; Energy; Electricity
Asimov, Isaac
723 Gutenberg downloadsen2015Difficulty 57 (Graduate)Six Lectures on Light Delivered In The United States In 1872-1873
Tyndall, John
718 Gutenberg downloadsen2004Difficulty 63 (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
716 Gutenberg downloadsen2013Difficulty 64 (Academic)Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work
Warren, Henry White
716 Gutenberg downloadsen2005Difficulty 50 (College)Biographies of distinguished scientific men. First series
Arago, F. (François)
706 Gutenberg downloadsen2005Difficulty 52 (Graduate)Pumps and Hydraulics, Part 1 (of 2)
Hawkins, N. (Nehemiah)
706 Gutenberg downloadsen2018Difficulty 50 (College)How It Flies; or, The Conquest of the Air The Story of Man's Endeavors to Fly and of the Inventions by Which He Has Succeeded
Ferris, Richard
705 Gutenberg downloadsen2017Difficulty 51 (Graduate)Sound
Tyndall, John
704 Gutenberg downloadsen2017Difficulty 72 (Expert)Astronomical Myths: Based on Flammarions's "History of the Heavens"
Blake, J. F. (John Frederick) & Flammarion, Camille
702 Gutenberg downloadsen2011Difficulty 57 (Graduate)The Mechanism of Life
Leduc, Stéphane
702 Gutenberg downloadsen2010Difficulty 63 (Academic)Lectures on Stellar Statistics
Charlier, C. V. L. (Carl Vilhelm Ludwig)
697 Gutenberg downloadsen2007Difficulty 57 (Graduate)Essays on the Microscope Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc.
Adams, George
692 Gutenberg downloadsen2020Difficulty 62 (Academic)Lord Kelvin: An account of his scientific life and work
Gray, Andrew
692 Gutenberg downloadsen2012Difficulty 66 (Academic)Astronomy: The Science of the Heavenly Bodies
Todd, David P. (David Peck)
691 Gutenberg downloadsen2012Difficulty 61 (Academic)Faraday as a Discoverer
Tyndall, John
690 Gutenberg downloadsen1998Difficulty 56 (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)
688 Gutenberg downloadsen2015Difficulty 53 (Graduate)The Natural Philosophy of William Gilbert and His Predecessors
King, W. James (William James)
685 Gutenberg downloadsen2010Difficulty 61 (Academic)Little Masterpieces of Science: Invention and Discovery
Unknown
684 Gutenberg downloadsen2009Difficulty 60 (Graduate)The Chautauquan, Vol. 05, October 1884, No. 1
Chautauqua Literary and Scientific Circle & Chautauqua Institution
681 Gutenberg downloadsen2017Difficulty 48 (College)A History of Science — Volume 2
Williams, Henry Smith & Williams, Edward Huntington
679 Gutenberg downloadsen1999Difficulty 63 (Academic)Response in the Living and Non-Living
Bose, Jagadis Chandra
679 Gutenberg downloadsen2006Difficulty 65 (Academic)Science in Short Chapters
Williams, W. Mattieu (William Mattieu)
679 Gutenberg downloadsen2017Difficulty 69 (Academic)LRL Accelerators, The 184-Inch Synchrocyclotron
Lawrence Radiation Laboratory
677 Gutenberg downloadsen2010Difficulty 58 (Graduate)The Herschels and Modern Astronomy
Clerke, Agnes M. (Agnes Mary)
674 Gutenberg downloadsen2021Difficulty 55 (Graduate)A History of Science — Volume 3
Williams, Henry Smith & Williams, Edward Huntington
663 Gutenberg downloadsen1999Difficulty 77 (Expert)Astronomy and General Physics Considered with Reference to Natural Theology
Whewell, William
662 Gutenberg downloadsen2021Difficulty 57 (Graduate)Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
662 Gutenberg downloadsen2006Difficulty 56 (Graduate)The Heavens Above: A Popular Handbook of Astronomy
Gillet, J. A. (Joseph Anthony) & Rolfe, W. J. (William James)
662 Gutenberg downloadsen2019Difficulty 51 (Graduate)The Destinies of the Stars
Arrhenius, Svante
658 Gutenberg downloadsen2018Difficulty 54 (Graduate)Boys' second book of inventions
Baker, Ray Stannard
657 Gutenberg downloadsen2013Difficulty 57 (Graduate)Things a Boy Should Know About Electricity Second Edition
St. John, Thomas M. (Thomas Matthew)
657 Gutenberg downloadsen2014Difficulty 48 (College)Telescopic Work for Starlight Evenings
Denning, William F. (William Frederick)
654 Gutenberg downloadsen2018Difficulty 58 (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)
652 Gutenberg downloadsen2011Difficulty 66 (Academic)Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained
Marcet, Mrs. (Jane Haldimand) & Jones, Thomas P.
651 Gutenberg downloadsen2011Difficulty 50 (College)Letters on Natural Magic; Addressed to Sir Walter Scott, Bart.
Brewster, David
651 Gutenberg downloadsen2016Difficulty 80 (Expert)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
648 Gutenberg downloadsen2015Difficulty 61 (Academic)The Royal Observatory, Greenwich: A Glance at Its History and Work
Maunder, E. Walter (Edward Walter)
645 Gutenberg downloadsen2013Difficulty 60 (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
644 Gutenberg downloadsen2014Difficulty 69 (Academic)A Treatise on Mechanics
Kater, Henry & Lardner, Dionysius
643 Gutenberg downloadsen2021Difficulty 60 (Graduate)Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, IV. Band Das Emporblühen der modernen Naturwissenschaften seit der Entdeckung des Energieprinzips
Dannemann, Friedrich
642 Gutenberg downloadsde2019Heroes of Science: Physicists
Garnett, William
642 Gutenberg downloadsen2012Difficulty 61 (Academic)Science for the School and Family, Part I. Natural Philosophy
Hooker, Worthington
642 Gutenberg downloadsen2016Difficulty 49 (College)The story of the sun, moon, and stars
Giberne, Agnes
636 Gutenberg downloadsen2025Difficulty 47 (College)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)
635 Gutenberg downloadsen2020Difficulty 58 (Graduate)On Laboratory Arts
Threlfall, Richard
634 Gutenberg downloadsen2007Difficulty 54 (Graduate)Appletons' Popular Science Monthly, December 1899 Vol. LVI, November, 1899 to April, 1900
Various
633 Gutenberg downloadsen2014Difficulty 72 (Expert)Encyclopaedia Britannica, 11th Edition, "Conduction, Electric" Volume 6, Slice 8
Various
632 Gutenberg downloadsen2010Difficulty 57 (Graduate)Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
631 Gutenberg downloadsen2006Difficulty 54 (Graduate)The celestial worlds discover'd : $b or, conjectures concerning the inhabitants, plants and productions of the worlds in the planets
Huygens, Christiaan
625 Gutenberg downloadsen2023Difficulty 57 (Graduate)The hell bomb
Laurence, William L. (William Leonard)
622 Gutenberg downloadsen2025Difficulty 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)
622 Gutenberg downloadsen2005Difficulty 58 (Graduate)Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899
Various
621 Gutenberg downloadsen2014Difficulty 58 (Graduate)The atom and the Bohr theory of its structure : $b an elementary presentation
Holst, Helge & Kramers, Hendrik Anthony
617 Gutenberg downloadsen2023Difficulty 65 (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
613 Gutenberg downloadsen2016Difficulty 56 (Graduate)A Brief History of Element Discovery, Synthesis, and Analysis
Watson, Glen W.
611 Gutenberg downloadsen2010Difficulty 65 (Academic)Radio-Activity
Rutherford, Ernest
610 Gutenberg downloadsen2021Difficulty 65 (Academic)Conversations on the Plurality of Worlds
Fontenelle, M. de (Bernard Le Bovier)
609 Gutenberg downloadsen2021Difficulty 62 (Academic)Harper's New Monthly Magazine, Volume 2, No. 12, May, 1851.
Various
609 Gutenberg downloadsen2010Difficulty 55 (Graduate)McClure's Magazine, Vol. 6, No. 5, April, 1896
Various
609 Gutenberg downloadsen2005Difficulty 51 (Graduate)Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
607 Gutenberg downloadsen2005Difficulty 59 (Graduate)Star-land: Being Talks With Young People About the Wonders of the Heavens
Ball, Robert S. (Robert Stawell)
606 Gutenberg downloadsen2019Difficulty 46 (College)Pleasant Ways in Science
Proctor, Richard A. (Richard Anthony)
604 Gutenberg downloadsen2017Difficulty 59 (Graduate)The Ether of Space
Lodge, Oliver, Sir
604 Gutenberg downloadsen2012Difficulty 60 (Graduate)The laws of contrast of colour : $b and their application to the arts of painting, decoration of buildings, mosaic work, tapestry and carpet weaving, calico printing, dress, paper staining, printing, military clothing, illumination, landscape, and flower gardening, &c.
Chevreul, M. E. (Michel Eugène)
600 Gutenberg downloadsen2025Difficulty 64 (Academic)Microscopes and Accessory Apparatus: Catalogue No. 40
Leitz, Ernst
596 Gutenberg downloadsen2011Difficulty 61 (Academic)The logic of modern physics
Bridgman, P. W. (Percy Williams)
596 Gutenberg downloadsen2023Difficulty 70 (Academic)The Source and Mode of Solar Energy Throughout the Universe
Heysinger, Isaac W. (Isaac Winter)
596 Gutenberg downloadsen2018Difficulty 66 (Academic)Astronomical Discovery
Turner, H. H. (Herbert Hall)
593 Gutenberg downloadsen2010Difficulty 57 (Graduate)Kepler
Bryant, Walter W. (Walter William)
592 Gutenberg downloadsen2004Difficulty 65 (Academic)Icarus : $b or, The future of science
Russell, Bertrand
591 Gutenberg downloadsen2021Difficulty 61 (Academic)Scientific American Supplement, No. 488, May 9, 1885
Various
590 Gutenberg downloadsen2008Difficulty 50 (College)Five of Maxwell's Papers
Maxwell, James Clerk
587 Gutenberg downloadsen2004Difficulty 63 (Academic)The Splash of a Drop
Worthington, A. M. (Arthur Mason)
586 Gutenberg downloadsen2008Difficulty 52 (Graduate)Tratado das Cores Que consta de tres partes: analytica, synthetica, hermeneutica
Sampaio, Diogo de Carvalho e
586 Gutenberg downloadspt2010Worlds Within Worlds: The Story of Nuclear Energy, Volume 3 (of 3) Nuclear Fission; Nuclear Fusion; Beyond Fusion
Asimov, Isaac
586 Gutenberg downloadsen2015Difficulty 62 (Academic)Records of Steam Boiler Explosions
Marten, Edward Bindon
585 Gutenberg downloadsen2014Difficulty 61 (Academic)Scientific American Supplement No. 819, September 12, 1891
Various
583 Gutenberg downloadsen2005Difficulty 59 (Graduate)Experimental Determination of the Velocity of Light Made at the U.S. Naval Academy, Annapolis
Michelson, Albert A. (Albert Abraham)
580 Gutenberg downloadsen2004Difficulty 49 (College)A Historical Account of Useful Inventions and Scientific Discoveries Being a manual of instruction and entertainment.
Grant, George
577 Gutenberg downloadsen2016Difficulty 62 (Academic)Electricity and Magnetism
Gray, Elisha
574 Gutenberg downloadsen2010Difficulty 52 (Graduate)Lives of the electricians : $b Professors Tyndall, Wheatstone, and Morse.
Jeans, William T.
573 Gutenberg downloadsen2024Difficulty 70 (Academic)The First Airplane Diesel Engine: Packard Model DR-980 of 1928
Meyer, Robert B.
573 Gutenberg downloadsen2010Difficulty 58 (Graduate)Scientific American Supplement, No. 365, December 30, 1882
Various
572 Gutenberg downloadsen2006Difficulty 57 (Graduate)Time and Its Measurement
Arthur, James
572 Gutenberg downloadsen2014Difficulty 50 (College)The Machinery of the Universe: Mechanical Conceptions of Physical Phenomena
Dolbear, A. E. (Amos Emerson)
571 Gutenberg downloadsen2009Difficulty 70 (Academic)Cours de philosophie positive. (2/6)
Comte, Auguste
570 Gutenberg downloadsfr2010Man'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
570 Gutenberg downloadsen2012Difficulty 71 (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
568 Gutenberg downloadsen2011Difficulty 63 (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)
568 Gutenberg downloadsen2015Difficulty 53 (Graduate)Appletons' Popular Science Monthly, April 1900 Vol. 56, Nov. 1899 to April, 1900
Various
565 Gutenberg downloadsen2014Difficulty 60 (Graduate)Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to April, 1900
Various
565 Gutenberg downloadsen2014Difficulty 58 (Graduate)Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
565 Gutenberg downloadsen2012Difficulty 60 (Graduate)Worlds in the making: The evolution of the universe
Arrhenius, Svante
565 Gutenberg downloadsen2022Difficulty 53 (Graduate)A New Era of Thought
Hinton, Charles Howard
562 Gutenberg downloadsen2019Difficulty 53 (Graduate)Philosophical transactions, Vol. L. Part II. For the year 1758. Giving some account of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world.
Various & Royal Society (Great Britain)
561 Gutenberg downloadsen2022Difficulty 49 (College)Invention and Discovery: Curious Facts and Characteristic Sketches
Anonymous
560 Gutenberg downloadsen2014Difficulty 60 (Graduate)Steam, Steel and Electricity
Steele, James W.
560 Gutenberg downloadsen2005Difficulty 50 (College)Stargazing: Past and Present
Lockyer, Norman, Sir
558 Gutenberg downloadsen2016Difficulty 50 (College)Electricity
McCormick, W. H. (William Henry)
555 Gutenberg downloadsen2023Difficulty 56 (Graduate)Meteoric astronomy: A treatise on shooting-stars, fire-balls, and aerolites
Kirkwood, Daniel
555 Gutenberg downloadsen2013Difficulty 59 (Graduate)Radio-Active Substances
Curie, Marie
555 Gutenberg downloadsen2019Difficulty 63 (Academic)The Popular Science Monthly, September, 1900 Vol. 57, May, 1900 to October, 1900
Various
555 Gutenberg downloadsen2014Difficulty 77 (Expert)The romance of comets
Proctor, Mary
553 Gutenberg downloadsen2025Difficulty 59 (Graduate)Mariner Mission to Venus
Jet Propulsion Laboratory (U.S.)
552 Gutenberg downloadsen2017Difficulty 64 (Academic)Light Science for Leisure Hours A series of familiar essays on scientific subjects, natural phenomena, &c.
Proctor, Richard A. (Richard Anthony)
551 Gutenberg downloadsen2017Difficulty 60 (Graduate)Scientific American, Volume 56, No. 9, February 26, 1887
Various
551 Gutenberg downloadsen2015Difficulty 54 (Graduate)Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes
Bernstein, Aaron David
549 Gutenberg downloadsen2011Difficulty 50 (College)Scientific American Supplement, No. 392, July 7, 1883
Various
545 Gutenberg downloadsen2005Difficulty 63 (Academic)The conservation of energy
Stewart, Balfour
545 Gutenberg downloadsen2022Difficulty 57 (Graduate)The Copernicus of Antiquity (Aristarchus of Samos)
Heath, Thomas Little, Sir
544 Gutenberg downloadsen2018Difficulty 59 (Graduate)The Plurality of Worlds
Whewell, William
541 Gutenberg downloadsen2011Difficulty 58 (Graduate)Friction, Lubrication and the Lubricants in Horology
Lewis, W. T. (William T.)
540 Gutenberg downloadsen2011Difficulty 55 (Graduate)The New Astronomy
Langley, S. P. (Samuel Pierpont)
538 Gutenberg downloadsen2021Difficulty 48 (College)The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action
Dolbear, A. E. (Amos Emerson)
538 Gutenberg downloadsen2010Difficulty 60 (Graduate)The Ways of the Planets
Martin, Martha Evans
537 Gutenberg downloadsen2016Difficulty 53 (Graduate)Spinning Tops The "Operatives' Lecture" of the British Association Meeting at Leeds, 6th September, 1890
Perry, John
536 Gutenberg downloadsen2010Difficulty 56 (Graduate)Voyager Encounters Jupiter
United States. National Aeronautics and Space Administration
536 Gutenberg downloadsen2017Difficulty 64 (Academic)A Study of Splashes
Worthington, A. M. (Arthur Mason)
535 Gutenberg downloadsen2012Difficulty 58 (Graduate)Scientific American Supplement, No. 520, December 19, 1885
Various
534 Gutenberg downloadsen2004Difficulty 56 (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
533 Gutenberg downloadsen2006Difficulty 68 (Academic)The universe around us
Jeans, James
533 Gutenberg downloadsen2025Difficulty 62 (Academic)Artificial and Natural Flight
Maxim, Hiram S. (Hiram Stevens)
532 Gutenberg downloadsen2014Difficulty 53 (Graduate)Scientific American Supplement, No. 711, August 17, 1889
Various
532 Gutenberg downloadsen2005Difficulty 61 (Academic)The Miner's Friend; Or, An Engine to Raise Water by Fire
Savery, Thomas
532 Gutenberg downloadsen2014Difficulty 66 (Academic)Hertzian Wave Wireless Telegraphy
Fleming, J. A. (John Ambrose), Sir
531 Gutenberg downloadsen2012Difficulty 67 (Academic)The Wonders of Optics
Marion, Fulgence
531 Gutenberg downloadsen2021Difficulty 51 (Graduate)A Guide to the Scientific Knowledge of Things Familiar
Brewer, Ebenezer Cobham
530 Gutenberg downloadsen2012Difficulty 46 (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
530 Gutenberg downloadsen2012Difficulty 57 (Graduate)The Children's Book of Stars
Mitton, G. E. (Geraldine Edith)
529 Gutenberg downloadsen2009Difficulty 50 (College)Flowers of the Sky
Proctor, Richard A. (Richard Anthony)
528 Gutenberg downloadsen2017Difficulty 59 (Graduate)Stellar Evolution and Its Relations to Geological Time
Croll, James
528 Gutenberg downloadsen2015Difficulty 60 (Graduate)The Chautauquan, Vol. 05, April 1885
Chautauqua Literary and Scientific Circle & Chautauqua Institution
528 Gutenberg downloadsen2017Difficulty 54 (Graduate)The Relations Between Religion and Science Eight Lectures Preached Before the University of Oxford in the Year 1884
Temple, Frederick
528 Gutenberg downloadsen2005Difficulty 52 (Graduate)Time and Tide: A Romance of the Moon
Ball, Robert S. (Robert Stawell)
528 Gutenberg downloadsen2008Difficulty 52 (Graduate)New Theories in Astronomy
Stirling, William
527 Gutenberg downloadsen2014Difficulty 63 (Academic)Natural Philosophy
Ostwald, Wilhelm
526 Gutenberg downloadsen2013Difficulty 60 (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
522 Gutenberg downloadsen2024Difficulty 50 (College)Liquid Drops and Globules, Their Formation and Movements Three lectures delivered to popular audiences
Darling, Charles R. (Charles Robert)
522 Gutenberg downloadsen2011Difficulty 52 (Graduate)Scientific American Supplement, No. 586, March 26, 1887
Various
522 Gutenberg downloadsen2004Difficulty 51 (Graduate)Rough Ways Made Smooth: A series of familiar essays on scientific subjects
Proctor, Richard A. (Richard Anthony)
520 Gutenberg downloadsen2017Difficulty 63 (Academic)Scientific American Supplement, No. 598, June 18, 1887
Various
520 Gutenberg downloadsen2004Difficulty 50 (College)Memoir and Correspondence of Caroline Herschel
Herschel, John, Mrs.
516 Gutenberg downloadsen2016Difficulty 60 (Graduate)The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
Various
514 Gutenberg downloadsen2014Difficulty 75 (Expert)Scientific American Supplement, No. 288, July 9, 1881
Various
513 Gutenberg downloadsen2005Difficulty 58 (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
510 Gutenberg downloadsen2021Difficulty 66 (Academic)Scientific American Supplement, No. 470, January 3, 1885
Various
509 Gutenberg downloadsen2004Difficulty 52 (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
508 Gutenberg downloadsen2023Difficulty 60 (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
508 Gutenberg downloadsen2015Difficulty 58 (Graduate)God and the World: A Survey of Thought
Robinson, Arthur William
506 Gutenberg downloadsen2009Difficulty 60 (Graduate)The Trouvelot astronomical drawings manual
Trouvelot, E. L. (Etienne Leopold)
505 Gutenberg downloadsen2022Difficulty 61 (Academic)Meinauer Naturlehre
Unknown
504 Gutenberg downloadsde2009Scientific American Supplement, No. 446, July 19, 1884
Various
503 Gutenberg downloadsen2004Difficulty 55 (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)
502 Gutenberg downloadsen2010Difficulty 67 (Academic)Henri Poincaré: Biographie, Bibliographie Analytique des Écrits
Lebon, Ernest
501 Gutenberg downloadsfr2010Scientific American Supplement, No. 717, September 28, 1889
Various
501 Gutenberg downloadsen2006Difficulty 53 (Graduate)Signalling across space without wires being a description of the work of Hertz & his successors
Lodge, Oliver, Sir
501 Gutenberg downloadsen2022Difficulty 60 (Graduate)Gunshot Roentgenograms A Collection of Roentgenograms Taken in Constantinople During the Turko-Balkan War, 1912-1913, Illustrating Some Gunshot Wounds in the Turkish Army
Ford, Clyde S. (Clyde Sinclair)
500 Gutenberg downloadsen2015Difficulty 53 (Graduate)Where Science and Religion Meet
Palmer, William Scott
499 Gutenberg downloadsen2016Difficulty 51 (Graduate)William Gilbert, and Terrestial Magnetism in the Time of Queen Elizabeth A Discourse
Thompson, Silvanus P. (Silvanus Phillips)
499 Gutenberg downloadsen2014Difficulty 63 (Academic)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
497 Gutenberg downloadsen2017Difficulty 65 (Academic)Scientific American Supplement, No. 611, September 17, 1887
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496 Gutenberg downloadsen2005Difficulty 50 (College)The Secret of Life, Death and Immortality A startling proposition, with a chapter devoted to mental therapeutics and instructions for self healing
Fleetwood, Henry
496 Gutenberg downloadsen2018Difficulty 58 (Graduate)Scientific American Supplement, No. 299, September 24, 1881
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495 Gutenberg downloadsen2005Difficulty 60 (Graduate)The telephone : $b a lecture entitled Researches in electric telephony
Bell, Alexander Graham
495 Gutenberg downloadsen2017Difficulty 67 (Academic)Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science
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495 Gutenberg downloadsen2011Difficulty 58 (Graduate)The uses of astronomy : $b An oration delivered at Albany on the 28th of July, 1856
Everett, Edward
494 Gutenberg downloadsen2005Difficulty 60 (Graduate)Comets and Meteors Their phenomena in all ages; their mutual relations; and the theory of their origin.
Kirkwood, Daniel
493 Gutenberg downloadsen2012Difficulty 56 (Graduate)History of the Transformer
Uppenborn, Friedrich
493 Gutenberg downloadsen2018Difficulty 59 (Graduate)The Warfare of Science
White, Andrew Dickson
492 Gutenberg downloadsen2015Difficulty 55 (Graduate)The Chautauquan, Vol. 05, June 1885, No. 9
Chautauqua Literary and Scientific Circle & Chautauqua Institution
490 Gutenberg downloadsen2017Difficulty 53 (Graduate)The Microscope
Ross, Andrew
490 Gutenberg downloadsen2013Difficulty 65 (Academic)Satellite Communications Physics
Unknown
489 Gutenberg downloadsen2020Difficulty 65 (Academic)On Molecular and Microscopic Science, Volume 1 (of 2)
Somerville, Mary
487 Gutenberg downloadsen2017Difficulty 61 (Academic)Scientific American Supplement, No. 315, January 14, 1882
Various
487 Gutenberg downloadsen2006Difficulty 63 (Academic)Home-made Electrical Apparatus
Morgan, Alfred Powell
486 Gutenberg downloadsen2020Difficulty 46 (College)The New Heavens
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486 Gutenberg downloadsen2006Difficulty 63 (Academic)Joseph Smith as Scientist: A Contribution to Mormon Philosophy
Widtsoe, John Andreas
484 Gutenberg downloadsen2010Difficulty 57 (Graduate)Scientific American Supplement, No. 795, March 28, 1891
Various
484 Gutenberg downloadsen2004Difficulty 62 (Academic)Sir Christopher Wren : $b Scientist, scholar and architect
Weaver, Lawrence
484 Gutenberg downloadsen2023Difficulty 52 (Graduate)Monism as Connecting Religion and Science A Man of Science
Haeckel, Ernst
483 Gutenberg downloadsen2005Difficulty 74 (Expert)Practical Talks by an Astronomer
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483 Gutenberg downloadsen2016Difficulty 56 (Graduate)Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time
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482 Gutenberg downloadsen2017Difficulty 48 (College)Our Nuclear Future: Facts, Dangers and Opportunities
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481 Gutenberg downloadsen2021Difficulty 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
480 Gutenberg downloadsen2023Difficulty 68 (Academic)Photographs of Nebulæ and Clusters, Made with the Crossley Reflector
Keeler, James Edward
479 Gutenberg downloadsen2011Difficulty 57 (Graduate)The stereoscope : $b its history, theory, and construction, with its application to the fine and useful arts and to education
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478 Gutenberg downloadsen2023Difficulty 59 (Graduate)The telephone, the microphone & the phonograph
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478 Gutenberg downloadsen2025Difficulty 66 (Academic)Thomas Hariot, the Mathematician, the Philosopher and the Scholar
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478 Gutenberg downloadsen2004Difficulty 63 (Academic)The unseen universe : $b or, physical speculations on a future state
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477 Gutenberg downloadsen2025Difficulty 62 (Academic)Scientific American Supplement, No. 530, February 27, 1886
Various
476 Gutenberg downloadsen2004Difficulty 58 (Graduate)The Einstein Theory of Relativity: A Concise Statement
Lorentz, H. A. (Hendrik Antoon)
476 Gutenberg downloadsen2004Difficulty 63 (Academic)Leçons de cosmographie à l'usage des lycées et collèges et de tous les établissements d'instruction publique
Guilmin, A. (Adrien)
475 Gutenberg downloadsfr2007The Academic Gregories
Stewart, Agnes Grainger
475 Gutenberg downloadsen2016Difficulty 59 (Graduate)Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
474 Gutenberg downloadsen2009Difficulty 49 (College)A Brief Account of Radio-activity
Venable, F. P. (Francis Preston)
473 Gutenberg downloadsen2010Difficulty 63 (Academic)L'A. B. C. de l'aviation: Biplans et monoplans
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473 Gutenberg downloadsfr2010L'Académie des sciences et les académiciens de 1666 à 1793
Bertrand, Joseph
473 Gutenberg downloadsfr2016Scientific American Supplement, No. 595, May 28, 1887
Various
473 Gutenberg downloadsen2004Difficulty 52 (Graduate)The Moon: A Popular Treatise
Serviss, Garrett Putman
473 Gutenberg downloadsen2021Difficulty 48 (College)Curiosities of Light and Sight
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472 Gutenberg downloadsen2012Difficulty 59 (Graduate)Flying Machines Today
Ennis, William D. (William Duane)
472 Gutenberg downloadsen2016Difficulty 61 (Academic)Scientific Studies; or, Practical, in Contrast with Chimerical Pursuits
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471 Gutenberg downloadsen2013Difficulty 63 (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
470 Gutenberg downloadsen2013Difficulty 56 (Graduate)Scientific American Supplement, No. 363, December 16, 1882
Various
470 Gutenberg downloadsen2005Difficulty 62 (Academic)The Relations of Science and Religion The Morse Lecture, 1880
Calderwood, Henry
470 Gutenberg downloadsen2011Difficulty 72 (Expert)Aeroplanes
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469 Gutenberg downloadsen1998Difficulty 46 (College)La Radiologie et La Guerre
Curie, Marie
469 Gutenberg downloadsfr2013Parlour Magic
Unknown
469 Gutenberg downloadsen2015Difficulty 100 (Quantum Electrodynamics)Untersuchungen über die radioaktiven Substanzen von Marie Curie, übersetzt und mit Litteratur-Ergänzungen versehen von W. Kaufmann
Curie, Marie
468 Gutenberg downloadsde2011Scientific American Supplement, No. 441, June 14, 1884.
Various
467 Gutenberg downloadsen2005Difficulty 56 (Graduate)Whole Body Counters
Woodburn, John H. & Lengemann, F. W. (Frederick W.)
467 Gutenberg downloadsen2015Difficulty 64 (Academic)夢溪筆談, Volume 07-10
Shen, Kuo
466 Gutenberg downloadszh2005Radioisotopes in Medicine
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465 Gutenberg downloadsen2015Difficulty 64 (Academic)The Story of Electricity
Munro, John
465 Gutenberg downloadsen2003Difficulty 57 (Graduate)Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
463 Gutenberg downloadsen2009Difficulty 52 (Graduate)Appletons' Popular Science Monthly, February 1900 Vol. 56, November, 1899 to April, 1900
Various
462 Gutenberg downloadsen2014Difficulty 62 (Academic)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
462 Gutenberg downloadsen2020Difficulty 67 (Academic)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)
461 Gutenberg downloadsen2011Difficulty 50 (College)Scientific American Supplement, No. 492, June 6, 1885
Various
460 Gutenberg downloadsen2004Difficulty 53 (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
459 Gutenberg downloadsen2018Difficulty 64 (Academic)Scientific American Supplement, No. 384, May 12, 1883
Various
457 Gutenberg downloadsen2005Difficulty 46 (College)Scientific American Supplement, No. 623, December 10, 1887
Various
457 Gutenberg downloadsen2005Difficulty 60 (Graduate)An epitome of electricity & galvanism
Green, Jacob & Hazard, Erskine
456 Gutenberg downloadsen2024Difficulty 67 (Academic)Facts and fancies in modern science Studies of the relations of science to prevalent speculations and religious belief
Dawson, John William, Sir
456 Gutenberg downloadsen2013Difficulty 62 (Academic)Scientific American Supplement, No. 787, January 31, 1891
Various
456 Gutenberg downloadsen2004Difficulty 53 (Graduate)Lightning, Thunder and Lightning Conductors
Molloy, Gerald
455 Gutenberg downloadsen2022Difficulty 62 (Academic)La terre et la lune: forme extérieure et structure interne
Puiseux, P. (Pierre Henri)
454 Gutenberg downloadsfr2009Outlines of Creation
Noyce, Elisha
454 Gutenberg downloadsen2015Difficulty 68 (Academic)The Advance of Science in the Last Half-Century
Huxley, Thomas Henry
454 Gutenberg downloadsen2005Difficulty 73 (Expert)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 ...
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453 Gutenberg downloadsen2023Difficulty 57 (Graduate)Scientific American Supplement, No. 458, October 11, 1884
Various
453 Gutenberg downloadsen2004Difficulty 58 (Graduate)Scientific American Supplement, No. 601, July 9, 1887
Various
453 Gutenberg downloadsen2004Difficulty 53 (Graduate)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
452 Gutenberg downloadsen2004Difficulty 61 (Academic)The art of glass-blowing : $b or Plain instructions for making the chemical and philosophical instruments which are formed of glass
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452 Gutenberg downloadsen2017Difficulty 63 (Academic)Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, II. Band Von Galilei bis zur Mitte des XVIII. Jahrhunderts
Dannemann, Friedrich
451 Gutenberg downloadsde2017Principles of electricity
Shipley, Maynard
451 Gutenberg downloadsen2025Difficulty 58 (Graduate)Scientific American Supplement, No. 421, January 26, 1884
Various
451 Gutenberg downloadsen2005Difficulty 56 (Graduate)Graham's Magazine, Vol. XX, No. 6, June 1842
Various
449 Gutenberg downloadsen2022Difficulty 48 (College)The Popular Science Monthly, July, 1900 Vol. 57, May, 1900 to October, 1900
Various
449 Gutenberg downloadsen2014Difficulty 56 (Graduate)The Scientific Basis of National Progress, Including that of Morality
Gore, George
447 Gutenberg downloadsen2010Difficulty 70 (Academic)First Lessons in Natural Philosophy for Beginners
Martindale, Joseph C. (Joseph Comly)
446 Gutenberg downloadsen2016Difficulty 31 (High School)Science and Medieval Thought The Harveian Oration Delivered Before the Royal College of Physicians, October 18, 1900
Allbutt, T. Clifford (Thomas Clifford)
445 Gutenberg downloadsen2012Difficulty 66 (Academic)Experiments and Observations Relative to the Influence Lately Discovered by M. Galvani and Commonly Called Animal Electricity
Fowler, Richard
444 Gutenberg downloadsen2014Difficulty 64 (Academic)Scientific American Supplement, No. 483, April 4, 1885
Various
444 Gutenberg downloadsen2004Difficulty 55 (Graduate)Ancient and Modern Physics
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442 Gutenberg downloadsen2004Difficulty 53 (Graduate)On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
Draper, Henry
442 Gutenberg downloadsen2016Difficulty 61 (Academic)The Popular Science Monthly, August, 1900 Vol. 57, May, 1900 to October, 1900
Various
442 Gutenberg downloadsen2014Difficulty 68 (Academic)The Evolution of Worlds
Lowell, Percival
441 Gutenberg downloadsen2020Difficulty 55 (Graduate)Elémens de la philosophie de Neuton: Mis à la portée de tout le monde
Voltaire
440 Gutenberg downloadsfr2015New and Original Theories of the Great Physical Forces
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440 Gutenberg downloadsen2008Difficulty 59 (Graduate)The Story of a Tinder-box
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438 Gutenberg downloadsen2009Difficulty 48 (College)Comet Lore: Halley's Comet in History and Astronomy
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437 Gutenberg downloadsen2021Difficulty 51 (Graduate)The Molecular Tactics of a Crystal
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437 Gutenberg downloadsen2017Difficulty 68 (Academic)Colour Measurement and Mixture
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436 Gutenberg downloadsen2012Difficulty 55 (Graduate)Le Téléphone, le Microphone et le Phonographe
Du Moncel, Th., comte
436 Gutenberg downloadsfr2008Scientific American Supplement, No. 481, March 21, 1885
Various
436 Gutenberg downloadsen2004Difficulty 55 (Graduate)The Mysterious Box: Nuclear Science and Art
Keisch, Bernard
436 Gutenberg downloadsen2021Difficulty 48 (College)Pioneer Saturn Encounter
United States. National Aeronautics and Space Administration
435 Gutenberg downloadsen2017Difficulty 62 (Academic)The Atom and the Ocean
Hull, E. W. Seabrook
435 Gutenberg downloadsen2021Difficulty 61 (Academic)The Energy System of Matter: A Deduction from Terrestrial Energy Phenomena
Weir, James, active 1883-1912
435 Gutenberg downloadsen2011Difficulty 67 (Academic)Appletons' Popular Science Monthly, May, 1900 Vol. 57, May, 1900 to October, 1900
Various
434 Gutenberg downloadsen2014Difficulty 60 (Graduate)Scientific American Supplement, No. 385, May 19, 1883
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434 Gutenberg downloadsen2005Difficulty 58 (Graduate)Scientific American Supplement, No. 433, April 19, 1884
Various
432 Gutenberg downloadsen2005Difficulty 66 (Academic)Scientific American Supplement, No. 648, June 2, 1888.
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432 Gutenberg downloadsen2011Difficulty 54 (Graduate)Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, I. Band Von den Anfängen bis zum Wiederaufleben der Wissenschaften
Dannemann, Friedrich
431 Gutenberg downloadsde2016Scientific American Supplement, No. 275, April 9, 1881
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431 Gutenberg downloadsen2005Difficulty 57 (Graduate)Scientific American Supplement, No. 467, December 13, 1884
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430 Gutenberg downloadsen2014Difficulty 51 (Graduate)The Earliest Electromagnetic Instruments
Chipman, Robert A.
430 Gutenberg downloadsen2010Difficulty 76 (Expert)Scientific American Supplement No. 822, October 3, 1891
Various
429 Gutenberg downloadsen2005Difficulty 55 (Graduate)Voyager 1 Encounters Saturn
United States. National Aeronautics and Space Administration
429 Gutenberg downloadsen2017Difficulty 62 (Academic)Careers in Atomic Energy
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426 Gutenberg downloadsen2013Difficulty 68 (Academic)The peaceful atom
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426 Gutenberg downloadsen2023Difficulty 42 (College)Scientific American Supplement, No. 455, September 20, 1884
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423 Gutenberg downloadsen2004Difficulty 57 (Graduate)Expériences et observations sur l'électricité faites à Philadelphie en Amérique
Franklin, Benjamin
422 Gutenberg downloadsfr2008Atoms, Nature, and Man: Man-made Radioactivity in the Environment
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421 Gutenberg downloadsen2015Difficulty 68 (Academic)Scientific American Supplement, No. 303, October 22, 1881
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421 Gutenberg downloadsen2005Difficulty 52 (Graduate)Stars and atoms
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421 Gutenberg downloadsen2024Difficulty 54 (Graduate)Von Sonnen und Sonnenstäubchen : $b Kosmische Wanderungen
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419 Gutenberg downloadsde2025Extra-galactic nebulae
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417 Gutenberg downloadsen2022Difficulty 55 (Graduate)Nuclear Clocks Revised
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414 Gutenberg downloadsen2015Difficulty 59 (Graduate)Lehrbuch der Physik zum Schulgebrauche.
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412 Gutenberg downloadsde2017Central-Station Electric Lighting With Notes on the Methods Used for the Distribution of Electricity
Hedges, Killingworth
409 Gutenberg downloadsen2020Difficulty 62 (Academic)Electricity for the 4-H Scientist
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409 Gutenberg downloadsen2011Difficulty 44 (College)Watchers of the Sky
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409 Gutenberg downloadsen2004Difficulty 45 (College)How to Do Mechanical Tricks Containing Complete Instruction for Performing Over Sixty Ingenious Mechanical Tricks
Anderson, A., active 1894-1902
408 Gutenberg downloadsen2018Difficulty 44 (College)Roentgen Rays and Phenomena of the Anode and Cathode.
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408 Gutenberg downloadsen2020Difficulty 59 (Graduate)Daedalus : $b or, Science and the future
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406 Gutenberg downloadsen2023Difficulty 58 (Graduate)Scientific American Supplement, No. 286, June 25, 1881
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405 Gutenberg downloadsen2005Difficulty 53 (Graduate)Scientific American Supplement, No. 417, December 29, 1883
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405 Gutenberg downloadsen2005Difficulty 65 (Academic)X-ray, violet ray, and other rays : $b With their use in modern medicine
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405 Gutenberg downloadsen2025Difficulty 58 (Graduate)Astronomical Instruments and Accessories
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402 Gutenberg downloadsen2005Difficulty 57 (Graduate)Die Luftschiffahrt der Gegenwart
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401 Gutenberg downloadsde2013Aspects of science
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399 Gutenberg downloadsen2025Difficulty 62 (Academic)Spectropia; or, Surprising Spectral Illusions Showing Ghosts Everywhere, and of Any Colour
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398 Gutenberg downloadsen2020Difficulty 50 (College)Books Relating to Applied Science, Published by E. & F. N. Spon, 1890.
E. & F. N. Spon
397 Gutenberg downloadsen2021Difficulty 62 (Academic)The Mirror of Literature, Amusement, and Instruction. Volume 12, No. 336, October 18, 1828
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397 Gutenberg downloadsen2004Difficulty 57 (Graduate)Arago et sa vie scientifique
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394 Gutenberg downloadsfr2008Eureka
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393 Gutenberg downloadsfr2017Marvels of Modern Science
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390 Gutenberg downloadsen2004Difficulty 51 (Graduate)Scientific American Supplement, No. 388, June 9, 1883
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389 Gutenberg downloadsen2005Difficulty 56 (Graduate)Scientific American Supplement, No. 430, March 29, 1884
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388 Gutenberg downloadsen2005Difficulty 59 (Graduate)Stars of the southern skies
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388 Gutenberg downloadsen2023Difficulty 55 (Graduate)Army Pulse Radiation Facility
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386 Gutenberg downloadsfr2010The origin and development of the atomic theory
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385 Gutenberg downloadsen2025Difficulty 65 (Academic)Radiation
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384 Gutenberg downloadsen2015Difficulty 55 (Graduate)Stories of Starland
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383 Gutenberg downloadsen2017Difficulty 36 (High School)Atoms at the Science Fair: Exhibiting Nuclear Projects
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381 Gutenberg downloadsen2021Difficulty 62 (Academic)Curiosities of Heat
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381 Gutenberg downloadsen2012Difficulty 45 (College)Scientific American Supplement, No. 829, November 21, 1891
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378 Gutenberg downloadsen2005Difficulty 63 (Academic)Blackwood's Edinburgh Magazine, Vol. 76, No. 468, October, 1854
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377 Gutenberg downloadsen2025Difficulty 69 (Academic)Lasers
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377 Gutenberg downloadsen2021Difficulty 59 (Graduate)Benjamin Franklin and the First Balloons
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376 Gutenberg downloadsen2013Difficulty 51 (Graduate)Light and Colour Theories, and their relation to light and colour standardization
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376 Gutenberg downloadsen2018Difficulty 58 (Graduate)The Atomic Fingerprint: Neutron Activation Analysis
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376 Gutenberg downloadsen2015Difficulty 59 (Graduate)Standard Measures of United States, Great Britain and France History and actual comparisons. With appendix on introduction of the mètre
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375 Gutenberg downloadsen2017Difficulty 56 (Graduate)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.
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375 Gutenberg downloadsen2018Difficulty 44 (College)The theory of relativity and its influence on scientific thought
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375 Gutenberg downloadsen2023Difficulty 63 (Academic)The Science of the Stars
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371 Gutenberg downloadsen2015Difficulty 48 (College)The wonders of radium
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370 Gutenberg downloadsen2025Difficulty 60 (Graduate)Holcomb, Fitz, and Peate: Three 19th Century American Telescope Makers
Unknown
368 Gutenberg downloadsen2019Difficulty 58 (Graduate)International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 2, July 8, 1850
Various
368 Gutenberg downloadsen2004Difficulty 59 (Graduate)Science Primers, Introductory
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368 Gutenberg downloadsen2019Difficulty 51 (Graduate)Scientific American Supplement, No. 803, May 23, 1891
Various
367 Gutenberg downloadsen2004Difficulty 52 (Graduate)Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, III. Band Das Emporblühen der modernen Naturwissenschaften bis zur Entdeckung des Energieprinzipes
Dannemann, Friedrich
366 Gutenberg downloadsde2018Einstein et l'univers: Une lueur dans le mystère des choses
Nordmann, Charles
366 Gutenberg downloadsfr2013La maniere d'amolir les os, et de faire cuire toutes sortes de viandes en fort peu de temps, & à peu de frais.
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366 Gutenberg downloadsfr2016De Wonderbouw der Wereld : $b De Grondslagen van Ons Sterrekundig Wereldbeeld Populair Uiteengezet
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365 Gutenberg downloadsnl2019Remarks 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
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365 Gutenberg downloadsen2020Difficulty 61 (Academic)The Veil Lifted: Modern Developments of Spirit Photography
Unknown
365 Gutenberg downloadsen2019Difficulty 57 (Graduate)A Plan for Securing Observations of the Variable Stars
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363 Gutenberg downloadsen2011Difficulty 56 (Graduate)Our Atomic World: The Story of Atomic Energy
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363 Gutenberg downloadsen2021Difficulty 67 (Academic)Ueber die schrecklichen Wirkungen des Aufsturzes eines Kometen auf die Erde und über die vor fünftausend Jahren gehabte Erscheinung dieser Art
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362 Gutenberg downloadsde2006Atom Mystery [Young Atom Detective]
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361 Gutenberg downloadsen2016Difficulty 36 (High School)Clerk Maxwell's electromagnetic theory
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359 Gutenberg downloadsen2023Difficulty 69 (Academic)Experimental glass blowing for boys
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359 Gutenberg downloadsen2024Difficulty 39 (High School)Sciências Naturaes Pela Redacção da «Educação Nacional»
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358 Gutenberg downloadspt2006The 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
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356 Gutenberg downloadsen2020Difficulty 54 (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
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353 Gutenberg downloadsen2014Difficulty 64 (Academic)The Second Boys' Book of Model Aeroplanes
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353 Gutenberg downloadsen2020Difficulty 50 (College)The Sun changes its position in space therefore it cannot be regarded as being "in a condition of rest"
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349 Gutenberg downloadsen2012Difficulty 62 (Academic)A Preliminary Dissertation on the Mechanisms of the Heavens
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348 Gutenberg downloadsen2022Difficulty 79 (Expert)Leibniz: Zu seinem zweihunderjährigen Todestag 14. November 1916
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348 Gutenberg downloadsde2019Observations on the Automaton Chess Player Now Exhibited in London, at 4 Spring Gardens
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348 Gutenberg downloadsen2019Difficulty 66 (Academic)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
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345 Gutenberg downloadsen2005Difficulty 51 (Graduate)The proceedings of the Canadian Eclipse Party, 1869
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345 Gutenberg downloadsen2011Difficulty 49 (College)Vasárnapi Könyv. 1914. Első félév 17. füzet
Anonymous
344 Gutenberg downloadshu2010History of the Harvard College Observatory During the Period 1840-1890
Baker, Daniel W.
343 Gutenberg downloadsen2019Difficulty 57 (Graduate)Short-Title Catalog of Publications and Importations of Scientific and Engineering Books (August 1910)
D. Van Nostrand Company
342 Gutenberg downloadsen2017Difficulty 43 (College)Dissertation sur la nature et la propagation du feu
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341 Gutenberg downloadsfr2024Verklaring van het stoomwerktuig zijnde eene algemeen bevattelijke beschrijving van deszelfs onderscheidene deelen, zamenstelling en werking.
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340 Gutenberg downloadsnl2010How to become an inventor : $b Containing experiments in photography, hydraulics, galvanism and electricity, magnetism, heat, and the wonders of the microscope
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339 Gutenberg downloadsen2024Difficulty 49 (College)Chambers's Journal of Popular Literature, Science, and Art, No. 726 November 24, 1877
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336 Gutenberg downloadsen2016Difficulty 51 (Graduate)Remarks on a Pamphlet Lately published by the Rev. Mr. Maskelyne, Under the Authority of the Board of Longitude
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336 Gutenberg downloadsen2011Difficulty 77 (Expert)Lecture on Artificial Flight Given by request at the Academy of Natural Sciences
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335 Gutenberg downloadsen2011Difficulty 66 (Academic)Out of Russia
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335 Gutenberg downloadsen2023Difficulty 36 (High School)Atoms in Agriculture: Applications of Nuclear Science to Agriculture (Revised)
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332 Gutenberg downloadsen2015Difficulty 58 (Graduate)Der Vogelflug als Grundlage der Fliegekunst Ein Beitrag zur Systematik der Flugtechnik
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328 Gutenberg downloadsde2017Naturgeschichte einer Kerze : $b Sechs Vorlesungen für die Jugend; Mit einem Lebensabriß Faraday's
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328 Gutenberg downloadsde2023The Problem of Manflight
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328 Gutenberg downloadsen2017Difficulty 55 (Graduate)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.
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323 Gutenberg downloadsen2020Difficulty 68 (Academic)Photographic investigations of faint nebulae
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321 Gutenberg downloadsen2023Difficulty 53 (Graduate)De Usu Ratiocinii Mechanici in Medicina
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320 Gutenberg downloadsla2005Remarks of the President in Presenting to Madam Curie a Gift of Radium from the American People
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320 Gutenberg downloadsen2019Difficulty 60 (Graduate)Relativitätstheorie und Erkenntnis Apriori
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319 Gutenberg downloadsde2018A 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.
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318 Gutenberg downloadsen2019Difficulty 68 (Academic)The natural and artificial disintegration of the elements An address by Professor Sir Ernest Rutherford
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314 Gutenberg downloadsen2022Difficulty 67 (Academic)Modern cosmogonies
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313 Gutenberg downloadsen2021Difficulty 64 (Academic)Was mir das Sternenlicht erzählt: Eine populäre Himmelskunde für die Jugend
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312 Gutenberg downloadsde2018Natuurkunde in de Huiskamer: ongeveer 100 proeven met huishoudelijke voorwerpen.
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311 Gutenberg downloadsnl2016Physical Amusements and Diverting Experiments Composed and Performed in Different Capitals of Europe, and in London
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311 Gutenberg downloadsen2018Difficulty 56 (Graduate)Das lebende Lichtbild: Entwicklung, Wesen und Bedeutung des Kinematographen
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310 Gutenberg downloadsde2017Popular 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
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310 Gutenberg downloadsen2023Difficulty 46 (College)De martelaars der wetenschap
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307 Gutenberg downloadsnl2018A világegyetem élete és megismerésének története a legrégibb időtől napjainkig
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303 Gutenberg downloadsfr2022The Mirror of Literature, Amusement, and Instruction. Volume 14, No. 404, December 12, 1829
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302 Gutenberg downloadsen2004Difficulty 54 (Graduate)The evolution of worlds from nebulae
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301 Gutenberg downloadsen2023Difficulty 56 (Graduate)Het Nut der Mechanistische Methode in de Geneeskunde
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299 Gutenberg downloadsnl2005Wireless Possibilities
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298 Gutenberg downloadsen2021Difficulty 58 (Graduate)Teste quadre
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297 Gutenberg downloadsit2015Sonne und Sterne
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296 Gutenberg downloadsde2021Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 40, Vol. I, October 4, 1884
Various
293 Gutenberg downloadsen2021Difficulty 52 (Graduate)Aus Natur und Geisteswelt Sammlung wissenschaftlich-gemeinverständlicher Darstellungen aus allen Gebieten des Wissens
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292 Gutenberg downloadsde2016The highest aim of the physicist
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289 Gutenberg downloadsen2023Difficulty 55 (Graduate)A discourse on the theory of gunnery Delivered at the anniversary meeting of the Royal Society, November 30, 1778
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288 Gutenberg downloadsen2022Difficulty 76 (Expert)Address delivered before the British Association assembled at Belfast
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288 Gutenberg downloadsen2025Difficulty 62 (Academic)Archimedes; or, the future of physics
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288 Gutenberg downloadsen2025Difficulty 66 (Academic)An epitome of astronomy, with the new discoveries including an account of the eídouraníon, or transparent orrery
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287 Gutenberg downloadsen2020Difficulty 65 (Academic)Einiges aus der Geschichte der Astronomie im Alterthum Rede zur Feier des Geburtstags Sr. Maj. des Deutschen Kaisers Königs von Preussen Wilhelm I. gehalten an der Christian-Albrechts
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286 Gutenberg downloadsde2012Über die Vulkane im Monde
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284 Gutenberg downloadsde2012Warum und Weil. Physikalischer Teil. Fragen und Antworten aus den wichtigsten Gebieten der gesammten Naturlehre.
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281 Gutenberg downloadsde2020American Horological Journal, Vol. I, No. 1, July 1869: Devoted to Pratical Horology
Unknown
277 Gutenberg downloadsen2022Difficulty 60 (Graduate)Discorso sopra la calamita
Castelli, Benedetto
277 Gutenberg downloadsit2015Astronomy for Young Australians
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275 Gutenberg downloadsen2018Difficulty 33 (High School)Beschrijving van het Rijks-Planetarium te Franeker Van 1772 tot 1780 uitgedacht en vervaardigd door Eise Eisinga
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275 Gutenberg downloadsnl2020Essays, or discourses, vol. 4 (of 4) : $b Selected from the works of Feyjoo, and translated from the Spanish
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275 Gutenberg downloadsen2025Difficulty 72 (Expert)A Project for Flying: In Earnest at Last!
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272 Gutenberg downloadsen2004Difficulty 66 (Academic)War in Heaven
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272 Gutenberg downloadsen2023Difficulty 53 (Graduate)The Dominion Astrophysical Observatory, Victoria, B.C.
Plaskett, J. S. (John Stanley)
268 Gutenberg downloadsen2020Difficulty 62 (Academic)Chambers's Journal of Popular Literature, Science, and Art, fifth series, no. 126, vol. III, May 29, 1886
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265 Gutenberg downloadsen2023Difficulty 54 (Graduate)Feltalálók, felfedezők, nagy emberek
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260 Gutenberg downloadshu2025The new science of space speech
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254 Gutenberg downloadsen2025Difficulty 56 (Graduate)Ephemerides Barometricae Mutinenses (anni M.DC.XCIV) Cum Disquisitione Causae ascensus ac descensus Mercurii in Torricelliana fistula iuxta diversum Aeris statum
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251 Gutenberg downloadsla2016Die Welt der Planeten
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240 Gutenberg downloadsde2018On the distribution of intensity in stellar absorption lines
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237 Gutenberg downloadsen2025Difficulty 57 (Graduate)A természettudomány fejlődésének története (2. kötet)
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232 Gutenberg downloadshu2022A new discovery for finding the longitude
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230 Gutenberg downloadsen2025Difficulty 48 (College)Geometrical Solutions Derived from Mechanics; a Treatise of Archimedes
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215 Gutenberg downloadsen2005Difficulty 67 (Academic)Yleinen Maatiede : $b Luonnollinen Maatide ynnä Venäjän valtakunta, Euroopassa olevine alusmaineen, valtiollisesti
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