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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 567
![An illustration from [Graphophone patents], 1878, leaf 567](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten10unit-567-383.webp)
J^y^t^e^^o^: 0^<«.<.-c-* ^• ^^ C:?J<=««_-^-a-.^€. ^ ^//iA THE NO/ilUS ^KTemS CO.. WASHINGTON. O. C. 964,221. T. A. EDISON. SOUND RECORD. APPLICATION FILED JAH. 3, 1907. ^^^ J^e^.6^ Patented July 12,1910. 3 8E££TS-8E£I:T 3.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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