United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 471
Witnesses : i if ^ Inventor Attorney ANDREW B. GRAHAM CU- PMOTO-UTHOOHAPHtfto. WASKINOTOW, U C : di UNITED STATES PATENT OFFICE. THOMAS A. EDISON, OF LLEWELLYN PARK, ORANGE, NEW JERSEY, ASSIGNOR TONEW JERSEY PATENT COMPANY, OF ORANGE, NEW JERSEY, A CORPORATION OFNEW JERSEY. APPARATUS FOR RECORDING…
Phonograph · Patents
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