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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1057
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C 7° J1 i\ * Inventor: /t#K E. T. CONDON, Jr.AUTOMATIC BRAKE MECHANISM. APPLICATION FIL£D OCT. 8, 1912. 1,267,378. Patented May 28,1918. 2 SHEETS-SHEET 2. … est:Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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