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      Digital & 4-Year Archive

      Scientific American October 1974

      The Amateur Scientist, October 1974

      Electrostatic motors are powered by the electric field of the earth

      • By C. L. Stong on October 1, 1974

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      More in the October 1974 issue of Scientific American
      • Letters to the Editors, October 1974
      • The Authors, October 1974
      • Mathematical Games, October 1974
      View Full Contents
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