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08/12/1877
Edison, Thomas Alva
-- Technical Notes and Drawings
(
Bell, Alexander Graham
) Telephone; Cylinder phonograph
[NS7703] Notebook Series -- Unbound Notes and Drawings: (NS-77-003) Phonograph
[NS7703A; TAEM 7:448]
Courtesy of Thomas Edison National Historical Park.
[NS7703] Notebook Series -- Unbound Notes and Drawings: (NS-77-003) Phonograph [NS7703] Notebook Series -- Unbound Notes and Drawings: (NS-77-003) Phonograph