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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 458

An illustration from [Graphophone patents], 1878, leaf 458
tially as described. 25 44. The combination, with the cross heador carriage M,guide rod L,and driving wheelS, of coin controlled mechanism to release thesaid wheel, substantially as described. In testimony whereof I have signed my j jname to this specification theOthdav of Feb-ruary, A. D. 1891.… … WITNESSES INVENTORATTORNEY.S/ (No Model.) 3 Sheets—Sheet 2. A. K. KELLER. MACHINE OE ATTACHMENT FOR OPERATINa PHONOORAPHS. No. 518,192. Patented Apr. 10, 1894. (^1hi WITNESSES: ^

Phonograph · Patents

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