United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 196
^f^ 3, … THE NOHRIS PETEHS CO. PHOTO-UTMO., WASHINGTON. D. C. United States Patent Office, GIANNI BETTINI, OF NEW YORK, N. Y,PHONOGRAPH. SPECIFICATION forming part of Letters Patent No. 488,379, datad December 20,1892. Application filed January 27, 1892. Serial No. 419,409, (No model.) To all whom it may…
Phonograph · Patents
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