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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · 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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