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      Knowledge is Power

      Scientific American July 07, 1917

      The Horse-Power Race

      Where the Winner is the Man Who Develops the Greatest Amount of Work

      • By A. E. Kennelly on July 7, 1917

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      More in the July 07, 1917 issue of Scientific American
      • Re-introducing the Concrete-and-Steel Fortification, Morality at Newport, and more
      • Electricity- July 7, 1917
      • Recently Patented Inventions- July 7, 1917
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