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      Knowledge is Power

      Scientific American August 1924

      A Neglected Well of Information

      The Unrealized Possibilities of the United States Patent Office Files

      • By Karl Fenning on August 1, 1924

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      More in the August 1924 issue of Scientific American
      • The "Margery" Mediumship--I
      • The Assault on Mount Everest
      • The Story of Steel--VII
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