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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 702
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C. L. HIBBAKD. TALKING MACHINE. APPLICATION TILED PEB.14. 1914. 1,118,902. Patented Nov. 24, 1914 ZE^i^o.-L 9- 5 13 ^wvvwv^ 14- 18 _£. ^x JZ^x^. & … ^Wx^vx e^yvc^ 9cd(Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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