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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ralph Teetor ： ウィキペディア英語版 Ralph Teetor Ralph Teetor (1890-1982) was a prolific (and blind) inventor who invented cruise control. He was the longtime president of the automotive parts manufacturer The Perfect Circle Co. (acquired in 1963 by Dana Corp., then sold to Mahle GmbH in 2007) in Hagerstown, Indiana, a manufacturer of piston rings. ==Early life== Teetor became blind at age five in an accident, but as a grown man he preferred never to discuss his disability. He graduated from the University of Pennsylvania with a degree in mechanical engineering in 1912.〔(【引用サイトリンク】url=http://www.sae.org/news/awards/list/teetor/teetteet.htm )〕〔(【引用サイトリンク】url=http://www.automotivehalloffame.org/inductee/ralph-teetor/134/ )〕 Teetor's highly developed sense of touch proved helpful in developing a technique for balancing steam turbine rotors used in torpedo-boat destroyers. Dynamic balancing of large components had puzzled others before Teetor solved the problem. 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「Ralph Teetor」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.