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Substation 7 : ウィキペディア英語版 | Substation 7
Substation 7 is a traction substation located at 1782 Third Avenue at 99th Street on the Upper East Side of Manhattan. The Manhattan Railway Company built it in order to electrify the Second, Third and Ninth Avenue elevated lines. It served as a power source for the IRT Lexington Avenue Line from 1918 until the 1970s. It originally converted 25 Hz AC power from the 74th Street power station, to DC for the electric motors.〔(Construction of the 74th Street Power Station ) Museum of the City of New York〕 The substation is owned by the MTA and it is listed on the National Register of Historic Places.〔(【引用サイトリンク】url=http://www.nps.gov/history/nr/listings/20060217.HTM )〕 == 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「Substation 7」の詳細全文を読む
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