Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 327

An illustration from [Graphophone patents], 1878, leaf 327
mM INVENTOR BY •ATTORNEY ■IE NQH&IS PETERS CO.. RHOTO-UTHO . WASHINGTON. D. C I 1,137,001. P. CATUCCI.TALKING MACHINE. APPLICATION FILED APR. 18, 1914. Patented Apr. 27,1915. 9 SHEETS-SHEET 3. … Hg. 5

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

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