Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 91

An illustration from [Graphophone patents], 1878, leaf 91
Witnesses: ** Jnuefztor rH£ NORRIS PETERS CO.. PHOTO-LITHO.. WASHINGTON, D. C. H. P. TIFFNER. RESONATOR.APPLICATION FILED MAE. 16, 1911. 14£7,320. Patented Feb. 2,1915. 2 SHEETS-SHEET 2. … rzuerztor THE NORRIS PETERS CO., PHOTG-LITHO.. WASHINGTON. D. C. UNITED STATES PATENT OFFICE. HARRY P. TIFFNER, OF CHICAGO, ILLINOIS.RESONATOR. 1,127,320. Specification of Letters Patent. Patented Feb. 2, 1915. Application filed March 16,1911. Serial No. 614,798. To nil irhom it mail concern: Be it…

Phonograph · Patents

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