United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 313
^ =5—r >?7 •/ /* vL £5 a. y^ -AAAAAA-W/ltrtesses 70 /<■ … y^S JT7iz)eni:or ■IE NORRIS PETERS CO.. P.^OTOLITHO WASH I. UNITED STATES PATENT OFFICE. 6 GEORGE S. TIFFANY, OF SUMMIT, NEW JERSEY. PHONOGRAPH. 1,136,739. Specification of Letters Patent. Patented Apr. 20, 1915. Application filed August 7,1914. Serial No. 855,574. To all whom it may concern: Be it…
Phonograph · Patents
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