United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 79
WITNESSES INVENTOR BY ATTORNEYS VORRIS PETERS CO . PHOTO I.ITHU.. <n ~*n I NO TON . D C A. F. MADDEN. MOTOR DRIVEN PHONOGRAPH.APPLICATION PILED JULY 7, 1914. Patented Feb. 2,1915. 5 SHEETS-SHEET 4. … WITNESSES 52 THE NORRIS PETERS CO PHOTO-LITHO.. WASHINGTON. D A. F. MADDEN. MOTOR DRIVEN PHONOGRAPH.APPLICATION PILED JULY 7, 1914. 1,127,056. Patented Feb. 2,1915. 5 SHEETS-SHEET 5.
Phonograph · Patents
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