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A. G. Bell, speaking telephone, no. 201,488, patented March 19, 1878.

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1109117

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MLA Format

The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Print Collection, The New York Public Library. "A. G. Bell, speaking telephone, no. 201,488, patented March 19, 1878." The New York Public Library Digital Collections. http://digitalcollections.nypl.org/items/510d47dc-8dcb-a3d9-e040-e00a18064a99

Chicago/Turabian Format

The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Print Collection, The New York Public Library. "A. G. Bell, speaking telephone, no. 201,488, patented March 19, 1878." New York Public Library Digital Collections. Accessed February 8, 2016. http://digitalcollections.nypl.org/items/510d47dc-8dcb-a3d9-e040-e00a18064a99

APA Format

The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Print Collection, The New York Public Library. A. G. Bell, speaking telephone, no. 201,488, patented March 19, 1878. Retrieved from http://digitalcollections.nypl.org/items/510d47dc-8dcb-a3d9-e040-e00a18064a99

Wikipedia Citation

<ref name=NYPL>{{cite web | url=http://digitalcollections.nypl.org/items/510d47dc-8dcb-a3d9-e040-e00a18064a99 | title= (still image) A. G. Bell, speaking telephone, no. 201,488, patented March 19, 1878. }} |author=Digital Collections, The New York Public Library |accessdate=February 8, 2016 |publisher=The New York Public Library, Astor, Lennox, and Tilden Foundation}}</ref>

A. G. Bell, speaking telephone, no. 201,488, patented March 19, 1878.