United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 588
^tg-S. … : NOeftIS PETERS CO , PHOTO-UTH United States Patent Office. JOSEPH E. WASSENICIT, OF CHICAGO, ILLINOIS.DISK GRAPHOPHONE. SPECIFICATION forming part of Letters Patent No. 532,851, dated January 22,1895. AppIioationfiledMay 12,1892. Serial No. 432,806, (No model.) To all LoJbODi it may concern: Be…
Phonograph · Patents
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