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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 333

An illustration from [Graphophone patents], 1878, leaf 333
WITNESSES: />>. /&. … INVENTOR BY ?uj* ATTORNEY •IS PE.TEHS CO . PHOTO UTHO . WASHINCTUN. D C I 1,137,001. P. CATUCCI.TALKING MACHINE, APPLICATION FILED APR. 18, 1914. Patented Apr. 27,1915. 9 SHEETS-SHEET 7. s? -k\ t L. ./* ^ I 1 Gf, 6) t?-

Phonograph · Patents

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