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      Knowledge is Power

      Scientific American September 16, 1893

      An Improved Method of Purifying Toluol, Benzol, Etc.

      • By R. J. Friswell on September 16, 1893

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      More in the September 16, 1893 issue of Scientific American
      • Among the Australian Aborigines
      • Electrical and Light Vibrations
      • Patents!
      View Full Contents
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