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John Edison Sweet : ウィキペディア英語版 | John Edison Sweet
John Edison Sweet (October 21, 1832-May 8, 1916) was an American mechanical engineer who built the first micrometer caliper in 1873, for making tools, and who invented the “straight line” engine. He was a key founder of the American Society of Mechanical Engineers in 1880 and ASME’s third president (1884–85). Born in Pompey, New York, he died in Syracuse. ==References==
*ASME History and Heritage (1980). ''Mechanical Engineers in America Born Prior to 1861: A Biographical Dictionary''. New York: ASME. Library of Congress No. 79-57364.
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