Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 219
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V Attorneys No. 817,756. PATENTED APR. 17, 1906. B. DUBINSKI.PHONOGRAPH MACHINE. APPLICATION FILED JUNE 6, 1905. 3 SHEETS-SSEET 3. , 7^. 8. … 42 J>Jg. .9.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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