United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 575
60 61 &3, 63 F <57 LJ^/ ^ <5^- … Inventor W. A. SHARP, ATTACHMENT FOR TALKING MACHINES.APPLICATION EILED KAt U. 1917. 1,259,916. Patented Mar. 19,1918. 2 SHEETS-SHEET 2. £,1 I J?3 .
Phonograph · Patents
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