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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1295
DESIGN. J. WOLFF. PHONOGRAPH CABINET. 51,220. application filed feb. i, 1917. Patented Aug. 28, 1917. - - ■ .^^g &\ F^ IPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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