United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 62
as described. This specification signed and witnessed this20th day of December, 1890. JOHN F. OTT. Witnesses: Charles M. Catlin,RiCHD. N. Dyer. / / I (No Model.) No. 465.972. T. A. EDISON. PHONOGRAPH. 2 Sheets—Sheet 1. Patented Deo. 29, 1891 … ^^-^ ATTORNEYS. I (No Model.) No. 465,972. 2 Sheets—Sheet 2, T. A. EDISON. PHONOGRAPH. Patented Deo. 29, 1891.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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