United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 979
MENTOR f/n ATTOFHEV 1,266,065. S. SHELLY. CORRECTION DEVICE FOR TALKING MACHINES. APPLICATION FILED JUNE 29. 1-91 7. Patented May 14,1918. 2 SHEETS-SHEET 2. ^/<5.S. … ay ^rro/r/vgy UNITED STATES PATENT OFFICE. SAMUEL SHELLY, OF PHILADELPHIA, PENNSYLVANIA.CORRECTION DEVICE FOR TALKING-MACHINES. 1,366,065. Specification of Letters Patent. Patented May 14, 1918. Application filed June 29, 1917. Serial No. 177,621. To all whom it may concern: Be it known that I,…
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