United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 511
% … jfaviAy THE NORMS PETEHS CO.. WASHINGTON, O. C. UNITED STATES PATENT OFFICE. HENRY A. PLACE, OF PROVIDENCE, RHODE ISLAND, ASSIGNOR TOJ. NEWCOMB BLACKMAN, OF NEW YORK, N. Y. PHONOGRAPH-RECORD CLEANER. Wo. 831,987. Specification of Letters Patent. Patented Sept. 25, 1906. Application filed November…
Phonograph · Patents
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