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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 542
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i PETERS CO . PHOTO-LITMO , (No Model.) No. 528,273, 4 Sheets—Sheet 3. H. J. LIORET. PHONOGRAPH. Patented Oct. 30, 1894.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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