Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 64
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^^-^ ATTORNEYS. I (No Model.) No. 465,972. 2 Sheets—Sheet 2, T. A. EDISON. PHONOGRAPH. Patented Deo. 29, 1891. … T^^- c^ -Mr OPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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