Books in Browsing: Science - General (sorted by popularity)
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The Report on Unidentified Flying Objects Edward J. Ruppelt 623 downloads
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The Hindu-Arabic Numerals David Eugene Smith and Louis Charles Karpinski 623 downloads
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Bibliographical history of electricity & magnetism, chronologically arranged 618 downloads
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Plane Geometry G. A. Wentworth 613 downloads
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The Outline of Science, Vol. 1 (of 4) J. Arthur Thomson 613 downloads
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The International Monthly, Volume 3, No. 1, April, 1851 Various 611 downloads
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The Wright Brothers' Engines and Their Design Leonard S. Hobbs 605 downloads
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The Autobiography of Charles Darwin Charles Darwin 602 downloads
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Zetetic astronomy: Earth not a globe! Parallax 601 downloads
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The Wonder Book of Knowledge 596 downloads
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The Invention of the Sewing Machine Grace Rogers Cooper 589 downloads
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A Budget of Paradoxes, Volume I Augustus De Morgan 589 downloads
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The International Magazine, Volume 2, No. 2, January, 1851 Various 587 downloads
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Pierre Curie Marie Curie 585 downloads
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The Interest of America in Sea Power, Present and Future A. T. Mahan 585 downloads
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The Science of Fingerprints: Classification and Uses United States. Federal Bureau of Investigation 575 downloads
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Le tour de France en aéroplane (French) H. de Graffigny 574 downloads
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The Progress of Invention in the Nineteenth Century. Edward W. Byrn 574 downloads
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Principles and Practice of Fur Dressing and Fur Dyeing William E. Austin 570 downloads
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The sidereal messenger of Galileo Galilei : and a part of the preface to Kepler's Dioptrics containing the original account of Galileo's astronomical discoveries Galileo Galilei and Johannes Kepler 565 downloads
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The Beaked Whales of the Family Ziphiidae Frederick W. True 562 downloads
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My First Summer in the Sierra John Muir 559 downloads
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How to become a lightning calculator Anonymous 555 downloads
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Space—Time—Matter Hermann Weyl 546 downloads
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Field Book of Western Wild Flowers Margaret Armstrong and J. J. Thornber 543 downloads