Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 679
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\ [ FO° £i 5 SHEETS-SHEET 2. & Jf- ^^3 W& … jfazt:Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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