Thomas Edison suggested for Edison's anti-AC stance. One notion is that the inventor could not grasp the more abstract theories behind AC and was trying to avoid developing a system he did not understand. Edison also appeared to have been worried about the high voltage from misinstalled AC systems killing customers and hurting the sales of electric power systems in general. Primary was the fact that Edison Electric based their design on low voltage DC and switching a standard after they had installed over 100 systems was, in Edison's mind, out of the question. By the end of 1887, Edison Electric was
USS Thomas A. Edison USS Thomas A. Edison USS "Thomas A. Edison" (SSBN-610), an ballistic-missile submarine, was the second ship of the United States Navy to be named for the inventor, Thomas Edison (1847–1931). "Thomas A. Edison"s keel was laid down on 15 March 1960 by the Electric Boat Division of the General Dynamics Corporation of Groton, Connecticut. She was launched on 15 June 1961 sponsored by Mrs. Madeleine Edison Sloane, and commissioned on 10 March 1962 with Captain Charles M. Young commanding the Blue Crew and Captain Walter Dedrick commanding the Gold Crew. On 9 April 1962, during shakedown training off the eastern