Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 403
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fltto: VIClj 1,256,978. D. W, CAUSEY. MACHINE FOR REPOINTING PHONOGRAPH NEEDLES. APPLICATION FILED SEPT. 25, 1917. Patented Feb. 19,1918. 2 SHEETS—SHEET 2. … £SlMPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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