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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 332
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Patented Aug. 29, 1899. No. 631,912. L. P. VALIQUET. AUTOMATIC GRAMOPHONE. (Application filed Apr. 6, 1899.) 5 Sheets— Sheet I. (No Model.) … T..£ roKfiii Frr£r'Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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