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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 505

An illustration from [Graphophone patents], 1878, leaf 505
~3*£g>.&. j^d -IX … 3^ ^ ^ &2J /^A-w*- 7. /xr^j-o^k THE NORRIS PETERS CO.. WASHINGTON D. C i ■ No. 831,900. PATENTED SEPT. 25, 1906.C. A. SMITH.SOUND REPRODUCING MACHINE. APPLICATION FILED JUNE 5, 1905. 2 SHEETS-SHEET 2. 3?cgf4<.

Phonograph · Patents

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

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