United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 493
. This specification signed and witnessedthis 17th day of October 1910. THOMAS A. EDISON.Witnesses: Dyer Smith,Anna R. Klehm. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. C. GRAMOPHONE PATEflT. • REPEATIFa GRAPHOPHOIE, #… … J#y&< /7<ZSS<Z<5. \^M/ r^J^rTsv^TsvxAsi/gS
Phonograph · Patents
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