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  • ...son and phonograph edit1.jpg|thumb|right|[[Thomas Edison]] with his second phonograph, photographed by [[Levin Corbin Handy]] in Washington, April 1878]] [[File:EdisonPhonograph.jpg|thumb|right|Edison wax cylinder phonograph, circa 1899]]
    115 KB (17,286 words) - 16:32, 16 December 2018
  • ...edate=October 30, 2012 |df= }}</ref> These inventions, which include the [[phonograph]], the [[Movie camera|motion picture camera]], and the long-lasting, practi ...y assistant in December 1879. He assisted in experiments on the telephone, phonograph, electric railway, [[Edison Ore-Milling Company|iron ore separator]], [[inc
    105 KB (15,290 words) - 17:19, 16 December 2018