United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1019
WITNESSES … Jr. INVENTOR Ojjls^ UNITED STATES PATENT OFFICE. EDGAR E. BROSITTS, OF PITTSBURGH, PENNSYLVANIA.AUTOMATIC RECORD-SHIFTING MECHANISM EOR PHONOGRAPHS. 1,366,767. Specification of Letters Patent. Patented May 31, 1918. Application filed March 20,1917. Serial No. 156,029. To all whom it may concern: Be…
Phonograph · Patents
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