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      Knowledge is Power

      Scientific American May 29, 1920

      Solving the Short-Haul Problem

      The Role of the Light, Narrow-Gage Railway in the Local Transportation of the Future

      • By Charles F. Lang on May 29, 1920

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      More in the May 29, 1920 issue of Scientific American
      • A Racing Car with Two Engines
      • Ancient Remains in Colorado
      • Inventions New and Interesting - May 29, 1920
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