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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 412

An illustration from [Graphophone patents], 1878, leaf 412
the combination of the 55feed-screw, the rotating motor, the pulley onthe shaft of the feed-screw, the pulley on themotor shaft, the two intermediate pulleys,the connecting belts and the adj ustable framecarrying said intermediate pullej^s, substan- 6ctially as set forth. This specification signed… … United States Patent Office. ARNELLE D. ANDREWS, OF DES MOINES, IOWA.MANDREL FOR PHONOGRAPHS. SPECIFICATION forming part of Letters Patent No. 515,811, dated March 6,1894. Application filed January 2,1892, Serial No. 416,804. QTo model,) To all whoin it may concern; Be it known that I, Arnelle D.…

Phonograph · Patents

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