Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 516
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^ . PHOTO-LiTHO WASHINGTON. O. < (No Model.) No. 523,748, 2 Sheets—Sheet 2. T. H. MACDONALD. COIN CONTROLLED PHONOGRAPH. Patented July 31, 1894. … ^^. .6. o^ ji\\ii III q\\q: /^^-Uj^y.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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