United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 382
Patented Apr. 2, 1901. No. 671,305. J. D. BLAGOEN. MULTIOISK PHONOGRAPH. (Application filed June 11, 1900. i 3 Sheets— Sheet (No Mod«l.) … ■:?€-:*_ *^-
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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