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Christopher Spencer : ウィキペディア英語版 | Christopher Miner Spencer
Christopher Miner Spencer (June 20, 1833 – January 14, 1922) was an American inventor, from Manchester, Connecticut, who invented the Spencer repeating rifle, one of the earliest models of lever-action rifle, a steam powered "horseless carriage", and several other inventions. He developed the first fully automatic turret lathe,〔.〕 which in its small- to medium-sized form is also known as a screw machine. ==Early years== Spencer worked for Samuel Colt’s factory, where he learned the arms-making trade.〔, (pp. 174–177 ).〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Christopher Miner Spencer」の詳細全文を読む
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