United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 872
T. A. EDISON. PHONOGRAPH EEPEODDCER. APPLICATION PILED JUNE 11, 1908. Patented Dec. 3, 1912. 1,046,159. 2 SHEETS-SHEET 1. … Mm COLUMBIA PLANOGRAPH CO., WASHINGTON, D. C.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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