United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 442
, 7o^ k^ connectedtherewith, fixed stop M, cross heads G G andarm g^ on said cross head G and lever D, allarranged to operate after the insertion of a 45coin, substantially as and for the purpose setforth. In testimony whereof I have signed myname to this specification the 28th day ofJanuarv, A. D.… … WITNESSES: . ta^i-t-tt^, J^ ^ INVENTORBY^^ ATTORNEYS TUm KATIOHAL UTMOa«APHIW« COMPANY.WASHINQTON. O. C. (No Model.) 4 Sheets—Sheet 2. A. K. KELLER. MACHINE FOR OPERATING PHONOGRAPHS. No. 518,191. Patented Apr. 10, 1894.
Phonograph · Patents
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