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      Knowledge is Power

      Scientific American December 10, 1887

      The Electric Current as a means of Increasing the Tractive Adhesion of Railway Motors and other Rolling Contacts

      • By Elias E. Ries on December 10, 1887

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      More in the December 10, 1887 issue of Scientific American
      • Electric Launch
      • Synthesis of the Alkaloids
      • The Production of Oxygen by Brin's Process
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