04/07/1916 Eible, Edward A -- Technical Notes and Drawings
(Hoffman, Archibald David) Chemicals, chemical products, and chemical processes; Disc record and duplicating technology
[E1664A]  Edison General File Series -- 1916: (E-16-64) Phonograph -- General (January-June)
[E1664AES; TAEM 267:342]
Courtesy of Thomas Edison National Historical Park.
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