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Originally appointed to stop counterfeiting of money.
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Antiseptic was created by Joseph Lister in England. It is used for surgery.
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A.E. Becquerel from France created the incandescent lamp in 1867
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Dynamite: Alfred Nobel, Sweden, 1867.
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Barbed wire gets created for prisons.
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Alexander Graham Bell created the telephone.
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Thomas A. Edison, U.S., 1879; (mercury vapor lamp)
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Hiram S. Maxim, Anglo-American, 1884. Machine gun.
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W. L. Judson, U.S., 1891
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Nikola Tesla, U.S., 1892.
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Thomas A. Edison, U.S., 1893.
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Benjamin Holt creates the tractor.
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King Gillette made this in 1901. 27 years later the electric razor was invented.
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Hubert C. Booth, England, 1901
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Willem Einthoven, 1903, Dutch physiologist
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Elmer A. Sperry, U.S., 1905
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Alexander Twining, U.S., James Harrison, Australia created the refrigerator.
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John Browning, U.S., 1918.