Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1007
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J€g.3. 29 fifr ^g.2. P6 • o, JO 1^9 J3 36 … -JC 42 ^c s?^ C2^j^^c>Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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