United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 961
M / 10 -L, = J3 7 … JEhz/ettZ&7 &uaA2c*n/^^.^KiMu4sf THE NORRIS PETERS CO., WASHINGTON, D. C. UNITED STATES PATENT OFFICE. VARIAN M. HARRIS, OF CHICAGO, ILLINOIS.MANUFACTURE OF CYLINDRICAL PHONOGRAPH RECORD-BLANKS. No. 854,886. Specification of Letters Patent. Application filed October 13, 1906, Serial No,…
Phonograph · Patents
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