United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 256
S. T. E. & J. E. WHITE. PHONOGEAPH. APPLICATION PILED OCT. 14, 1910. 993,931. Patented May 30, 1911. 2 SHEETS-SHEET 2. OOE3 ,X … TH£ NORMS PE7EHS CO-, WASHINGTON,
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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