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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 408

An illustration from [Graphophone patents], 1878, leaf 408
A. A. HUSEBY. TALKING MACHINE. APPLICATION FILED DEC. 17, 1915. Patented Sept, 19,1916. 1,198,636. 3 SHEETS-SHEET I.

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.

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