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      Knowledge is Power

      Scientific American January 1925

      The Scientific American Digest, January 1925

      A review of the technical and trade press, consisting of abstracts from leading articles announcing the newest developments in industry and engineering

      • January 1, 1925

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      More in the January 1925 issue of Scientific American
      • Radio Notes, January 1925
      • The Size of the Universe
      • Common Accidents Easy to Avoid
      View Full Contents
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