G.E (Genius Engineers) - MasKingTapE http://inventors.about.com/od/pstartinventions/a/Metal_Detector.htm In 1881, Alexander Graham Bell invented the first metal detector. As President James Garfield lay dying of an assassin's bullet, Alexander Graham ...
Alexander Graham Bell's metal detector
Bell: Metal Detector, 1881 Metal Print by Granger - Fine Art America
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Who Invented Metal Detector ?
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James A. Garfield National Historic Site på Twitter: "On Aug. 1, 1881-140 yrs ago yesterday-inventor Alexander Graham Bell was at the White House. He used an early metal detector of his own
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BELL: METAL DETECTOR, 1881. /nAlexander Graham Bell's metal detector, invented in 1881 in order to find the bullet lodged in President James Garfield's body. Line engraving, 19th century Stock Photo - Alamy
Presidential Trivia on Twitter: "In 1881, Dr. Alexander Graham Bell used the metal detector he invented to search for the bullet in President Garfield. The device is now part of the Smithsonian's
Alexander Graham Bell's metal detector
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Alexander Graham Bell's metal detector
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Alexander Graham Bell's metal detector
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Alexander Graham Bell, Metal Detector, 1891 - Stock Image - C043/8921 - Science Photo Library
