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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 164
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Patented Oct. 16, 1900. No. 659,740. G. W. GOMBER. TALKING MACHINE. (Application filed May 13, 1890.) 3 Sheets— Sheet (. (No Model.) <§ ^te m-. . PMOTO-LITMO.. WASHINGTON. I THC uonnis peter:Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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