United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 123
IHOKtW B 0«U«U1 CO. »«I0-LIIWC.«<>«£1B W.!««i:iW. O = II 948,327. W. H. HOSCHKE. PHONOGRAPH. APPLIOATIOH riLED MAR. 28, 1909. Patented Feb. 8,1910. 2 SHEETS-SHEET 2.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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