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      Knowledge is Power

      Scientific American February 03, 1917

      A Jungle Farm for Zoo Boarders

      • By James Anderson on February 3, 1917

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      More in the February 03, 1917 issue of Scientific American
      • Correspondence- February 3, 1917
      • Manganese as Fertilizer
      • What Was the Greek Fire of the Ancients?, Shorthand Systems Invented for the Chinese, and more
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