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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 74
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PATENTED JULY 26, 1904. No. 766,141. J. 0. ENGLISH. SOUND BOX FOR TALKING MACHINES. APPLICATION FILED OOT. 21, 1903. NO MODEL. … ATTORNEY.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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