United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 176
• •—^ ^^ ^1 ice 1 s m … ?^^ B^n^jcviiot o^yu X-^ Giiio^ne^pr ^^ ^^ THE SORHtS PETERS CO . PHOTO-LITMO,, WASHINOTON. 1 United States Patent Office. THOMAS A. EDISON, OF LLEWELLYN PARK, NEW JERSEY, ASSIGNOR TOTHE EDISON PHONOGRAPH COMPANY, OF NEW JERSEY. PHONOGRAPH. SPECIFICATION forming part of Letters Patent No. 488,189,…
Phonograph · Patents
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