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      Knowledge is Power

      Scientific American August 1929

      Current Bulletin Briefs, August 1929

      Short Reviews of Bulletins and Papers on Scientific and Allied Subjects, and Where to Get Them

      • August 1, 1929

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      More in the August 1929 issue of Scientific American
      • Fungi that Kill
      • Novel Features of the O'Shaughnessy Dam
      • Reindeer With Horns in the Velvet
      View Full Contents
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