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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
e $ INVENTOR C/ BY ^Vt^ ?U>&a^&L^ ATTORNEY JHE NORMS PETERS CO.. PHOTC-LITHO.. WASHINGTON. D. C. 1,137,001. P. CATUCCI. TALKING MACHINE. APPLICATION FILED APR. 18, 1914. Patented Apr. 27,1915. 9 SHEETS-SHEET 6. … /yg/8. rig. /3.

Phonograph · Patents

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

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