Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1167
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Z. ECKLEBARGER. TONE ARM.APPLICATION FILED JUNE 16, 1917. 1,269,266. * … Patented June 11,1918. 2 SHEETS-SHEET 2. -runPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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