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      Knowledge is Power

      Scientific American March 1926

      The Scientific American Digest, March 1926

      Newest Developments in Science, Industry and Engineering

      • By Albert G. Ingalls on March 1, 1926

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      More in the March 1926 issue of Scientific American
      • From the Scrap-book of Science--Camera Shots of Scientific Happenings
      • Our Alaska Railroad
      • Solving Greenland's Historic Mystery
      View Full Contents
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