United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 778
H. T. SCOTT & L, J. PATTERSON. AUTOMATIC PHONOGRAPH. APPLIOATIOK FILED APE. 11, 1912. Patented Oct. 1, 1912. 3 SHEETS-SHEET 2. COLUMBtA 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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