United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 381
WITNESSES^ INVENTOR Tywvcfore JWefzeter BY *9* ATTORNEYS THE NORRIS PETERS CO., PHOTO-LITHO., WASHINGTON. D. C. 1,137,883. T. METZELER. TALKING MACHINE. APPLICATION FILED APR, 6, 1914. Patented May 4,1915. 2 SHEETS-SHEET 2. C^fci … WITNESSES^ INVENTOR 1° Theodore Jdeiz&ler ATTORNEYS 1HE NOHRIS PETERS CO. PHOTO-UTHO.. WASHINGTON. D. C. UNITED STATES PATENT OFFICE. THEODORE METZELER, OF NEW YORK, N. Y.TALKING-MACHINE. 1,137,883. Specification of Letters Patent. Patented May 4, 1915. Application filed April 6,1914. Serial…
Phonograph · Patents
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