Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 945
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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 … RaJSPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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