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McGraw-Edison was an American manufacturer of electrical equipment. It was created in 1957 through a merger of McGraw Electric and Thomas A. Edison, Inc., and was in turn acquired by Cooper Industries in 1985. ==Origins== McGraw Electric was founded by Max McGraw in 1900 as an electrical contractor, in the business of installing electricity in houses. The founder was aged 17 at the time. The company quickly expanded into industrial and commercial buildings. It made several acquisitions over the years, evolving into a manufacturer of electrical products. In 1952 McGraw Electric and the Pennsylvania Transformer Company merged, keeping the name of McGraw Electric. Thomas A. Edison, Inc. was formed in 1910 as a reorganization of the Edison Manufacturing Co., which had its roots in the 19th century. It manufactured phonographs, and later moved into radios. Charles Edison became president of the company in 1927, and ran it until it was sold in 1957, when it merged with the McGraw Electric Company. 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「McGraw-Edison」の詳細全文を読む スポンサード リンク
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