Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 569
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1/4. ^ t«--«-*»v» <?^fc*.-^-,^ ^. ^y-*.^ •^<^ THE NORKIS FBTtRS CO.. WASHINOTON. O. C 964,221. T. A. EDISON. SOUND RECORD. a/pPLIOATION filed JAN, 3, 1907. Patented July 12,1910. 3 SHEETS-SHEET 3. ^C^.^O … J^i^.7/Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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