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      Knowledge is Power

      Scientific American August 14, 1920

      Reducing Trade Routes with Submarine Freighters

      How a Special Type of Submarine Might Be Employed for Traversing the Arctic Ice Fields

      • By Robert G. Skerrett on August 14, 1920

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      More in the August 14, 1920 issue of Scientific American
      • Inventions New and Interesting - August 14, 1920
      • Succeeding in Railway Mechanical Engineering
      • Pulp Wood from Labrador
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