Nikola Tesla, Serbian-american Inventor
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Nikola Tesla Serbian-american Inventor #2
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Hypatia Of Alexandria, Mathematician #2
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John Hopkins Operating Theater, 19031904
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Page Of The Gutenberg Bible, 1455 #1
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Samuel Colt, American Inventor #2
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Wilbur Wright Pilots Early Glider 1901
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John Harrison, English Inventor
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Josef Ressel, Austrian-czech Inventor
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George W Carver
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Archimedes, Ancient Greek Polymath #2
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Samuel Colt, American Inventor
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Nikola Tesla, Serbian-american Inventor
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Thomas Edisons Laboratory
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John Jacob Astor Iv, American
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Wilbur Wright, 1908
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Edisons Menlo Park Lab
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Leo Baekeland, Belgian Chemist #1
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Thomas Edison, American Inventor #1
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Charles Goodyear, American Inventor #1
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Hypatia Of Alexandria, Mathematician
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Wright Brothers At Kitty Hawk
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Oppenheimer, Fermi And Lawrence, 1940
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Dmitri Mendeleev, Russian Chemist
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Orville And Wilbur Wright, 1909
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Samuel Morse, American Inventor
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Samuel Morse American Inventor #14
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Elias Howe, American Inventor #1
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Otis Boykin, American Inventor
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Thomas Edison, American Inventor
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Joseph-marie Jacquard, French Inventor
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Henry Bessemer, English Inventor #1
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Joseph-marie Jacquard, French Inventor #1
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Henry Ford, American Inventor #1
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George M. Pullman, American Inventor
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Garrett Morgan, American Inventor
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Men Of Progress, American Inventors
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Thomas Edison, American Inventor
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George W. Carver, American Botanist #1
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Leonardo Da Vincis Dredge Machine
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Edison Fluoroscope, 1896
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Benjamin Franklin, American Polymath #3
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Henry Ford, American Industrialist
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Bunsen-kirchhoff Spectroscopic
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Robinsons Anemometer, 1846
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Tesla Tower, 1919
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Wright Brothers Glider, 1902
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Leo Baekeland, Belgian Chemist
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Samuel Morse, American Inventor #3
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Harriet Tubman, Booker Washington
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Clyde Tombaugh #1
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George W. Carver Teaching At Tuskegee
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Ramellis Reading Wheel
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Orville Wright And Biplane
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George W. Carver, African-american #2
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George W. Carver, African-american #3
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Bertha And Karl Benz, German Auto
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Lillian Sholes, The First Typist, 1872
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Archimedes, Ancient Greek Polymath #1
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Us Patent Diagram
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Oliver Joseph Lodge, English Physicist
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Wright Brothers Airplane, Big Kill
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Willem Einthoven, Dutch Physiologist
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Richard Jordan Gatling
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Johannes Gutenberg
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