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      Knowledge is Power

      Scientific American March 03, 1894

      The Physiological and Pathological Influence of Vegetables upon Man

      • By Mark I. Knapp on March 3, 1894

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      More in the March 03, 1894 issue of Scientific American
      • A New Form of Influence Machine
      • Art and Optics
      • Intelligence of the Chimpanzee
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