Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 540
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60^ZZyt,^^ (No Model.) No. 528,273. H. J. LIORET. PHONOGRAPH. 4 Sheets—Sheet 2. … Patented Oct. 30, 1894. UPPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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