Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 217
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Attorneys No. 817,756. PATENTED APR. 17, 1906.B. DUBINSKI.PHONOGRAPH MACHINE. APPLICATION FILED JUNE 5, 1905. 3 SHEETS-SHEET 2. … JVg-2- 4&Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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