U.S. patents issued to Thomas A. Edison from 1883-88 (1900)
United States. Patent Office, Edison, Thomas A. (Thomas Alva), 1847-1931 · [Washington, D.C.] : The Office · leaf 780
(No Model.) T. A. EDISON. FEED AND RETURN MECHANISM FOR PHONOaRAPHS. No. 382,416. Patented May 8, 1888. m.i. T>in r- … N PI n HN V^**f I Mf^'K**' W««»«-wX-v l> I
Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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