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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 112
Patented Oct. 16, 1900. No. 659,735. G. W. GOMBER. PHONOGRAPH. (Application Med Aug. 18, 1896.1 (No Model.) 3 Sheets— Sheet I. … Giit<yvywA*i^.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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