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Carl Lucas Norden (April 23, 1880 – June 14, 1965), born Carel Lucas van Norden, was a Dutch〔http://www.nationalaviation.org/norden-carl/〕 engineer widely known for having invented the Norden bombsight. Norden was born in Semarang, Java. After attending a boarding school in Barneveld, Netherlands, he was educated at the ETH Zürich in Switzerland. He emigrated to the United States in 1904. Along with Elmer Sperry, he worked on the first gyrostabilizing equipment for US ships, and became known for his contributions to military hardware. In 1913, he left Sperry and formed his own company. In 1920, he started work on the Norden bombsight for the United States Navy. The first bombsight was produced in 1927. It was essentially an analog computer, and bombardiers were trained in great secrecy on how to use it. The device was used to drop bombs accurately from an aircraft, supposedly accurate enough to hit a 100-foot circle from an altitude of 21,000 feet—but under actual combat situations, such an accuracy was never achieved. The U.S. Government spent 1.5 billion dollars developing this bombsight for military work.〔(The Strange Tale of the Norden bombsight, Ted Talks, Malcolm Gladwell )〕 Norden died in Zürich, Switzerland in 1965. He was enshrined in the National Aviation Hall Of Fame in July 1994.〔()〕 ==References== 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「Carl Norden」の詳細全文を読む スポンサード リンク
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