Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 643
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em. OZ41CI- ^ r*i houhis rc-ru, ca.. waihihotom. o. t No. 837,274. -P^fl. 4r, PATENTED DEC. 4, 1906. D. APSTEIN.TALKING MACHINE. APPUOATION FILED 00T.14, 1904. JT 2 SHEETS—8HEET 2 … ZEUy 5.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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