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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 192
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No. 721,363. PATENTED FEB. 24, 1903. E. GILMAN. REPEATING ACTION FOR PHONOGRAPHS. APPLICATION FILED MAT 17, 1902. HO MODEL. … INVENTOR WITNESSES : ^ ATTORNEY .Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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