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Interborough rapid transit: the New York subway, its construction and equipment
Rare Book Division, The New York Public Library. "Diagrams of direct current feeder and return circuits." The New York Public Library Digital Collections. 1904. https://digitalcollections.nypl.org/items/510d47dc-9b93-a3d9-e040-e00a18064a99
Rare Book Division, The New York Public Library. "Diagrams of direct current feeder and return circuits." New York Public Library Digital Collections. Accessed January 15, 2025. https://digitalcollections.nypl.org/items/510d47dc-9b93-a3d9-e040-e00a18064a99
Rare Book Division, The New York Public Library. (1904). Diagrams of direct current feeder and return circuits. Retrieved from https://digitalcollections.nypl.org/items/510d47dc-9b93-a3d9-e040-e00a18064a99
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Diagrams of direct current feeder and return circuits., (1904)
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