[D8043-F]

https://edisondigital.rutgers.edu/folder/D8043-F

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Part Of: Document File Series -- 1880

[D8043-F] (D-80-43) Telephone

This folder contains correspondence, agreements, and other documents relating to the domestic telephone business. Much of the material deals with carbon buttons that were damaged in transit. Other documents relate to the assignment to Western Union of Edison's patent for a relay using the el electromotograph.

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Courtesy of Thomas Edison National Historical Park.

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