United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 943
0 This specification signed and witnessedthis 12th day of September 1912. THOS. A. EDISON. Witnesses: Frederick Bachmann,Mary J. Laidlaw. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. SOUND REPRODUCING MACHINE, # 1,158,728 ——… … dttoxttft^ COLUMBIA PLANOORAPH CO., WASHINGTON. D. C. A. W. SCHMIDT. SOUND REPRODUCING MACHINE. APPLICATION FILED OCT. 26, 1914. 1,158,728. Patented Nov. 2, 1915. 2 SHEETS-SHEET 2. 5 7ky5
Phonograph · Patents
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