Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 90
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^^Witn^^^yCCy CLttofnei-^ : Nonnis pcters ca. pmoto-iitmo., was^inc (No Model.) 2 Sheets—Sheet 2. E. L. WILSON. COIN CONTROLLED APPARATUS FOR GRAMOPHONES. No. 472,417. Patented Apr. 5, 1892.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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