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      Knowledge is Power

      Scientific American May 12, 1894

      The World's Columbian Exposition from a Botanical Standpoint

      • By Henry Kraemer on May 12, 1894

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      More in the May 12, 1894 issue of Scientific American
      • A Phenomenal Jumper
      • Development of Mineralogy—III
      • On the Action of Alum upon the Nervous System
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