United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 763
^^^ … ^^. THC NOHRIS fET£RS CO.. WASHINGTON, D. C UNITED STATES PATENT OFFICE. THOMAS A. EDISON, OF LLEWELLYN PARK, ORANGE, NEW JERSEY.PROCESS OF DUPLICATING TALKING-MACHINE RECORDS. J)75,3.39. Specification of Letters Patent. Patented Nov. 8, 1910. Application filed March 4, 1907. Serial No. 360,313. To…
Phonograph · Patents
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