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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 565

An illustration from [Graphophone patents], 1878, leaf 565
0and a removable circular mold-cap having asmooth concave surface, the outer edge ofwhich forms a continuation of the bore of themold, the body of the mold extending above at least the lower part of said concave sur- 55face, substantially as set forth. This specification signed and witnessedthis… … WITNESSES: T r BY v INVENTORATTORNEY. THE NORRIS PETSftS CO., WASHINGTON. O. C. No. 834,511. PATENTED OCT. 30, 1906.J. C. ENGLISH.TALKING MACHINE. APPLICATION PILED HOV. 12, 1804. 2 8HEET8-SHEET 2.

Phonograph · Patents

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