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      Knowledge is Power

      Scientific American July 22, 1893

      Improvements in the Manufacture of Borax

      • By H. N. Warren on July 22, 1893

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      More in the July 22, 1893 issue of Scientific American
      • Kollman's Locomotive Railway Apparatus
      • Poisonous Plants and their Poisons
      • The Anti-Emetic Action of Menthol
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