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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 63
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P. CATUCCI. PHONOGRAPH. APPLICATION PILED MAY 15, 1912. 1,126,703. Patented Feb. 2,1915. 4 SHEETS-SHEET 2. … Attest: Inventor: Atty P. CATUCCI. PHONOGRAPH. APPLICATION TILED MAY 15, 1912. 1,136,703. Patented Feb. 2,1915. 4 SHEETS-SHEET 3.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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