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Alexander Graham Bell, Metal Detector, 1891 - Stock Image - C043/8923 - Science Photo Library
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Alexander Graham Bell's metal detector
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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
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Alexander Graham Bell, Metal Detector, 1891 - Stock Image - C043/8920 - Science Photo Library
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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 ...
