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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 687

An illustration from [Graphophone patents], 1878, leaf 687
A ttorneys 1HC *Q»RI3 PETCmS CO . WA SHISCTON. O. C. No. 839,902. PATENTED JAN. 1, 1907.W. C. SPDRGEON.PHONOGRAPH AND DISK HOLDER. APPLICATION FILED JUHE26, 1908. 2 SHEETS-SHEET 2. … WITNESSES:

Phonograph · Patents

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

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