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      Knowledge is Power

      Scientific American November 20, 1880

      Freezing Mixtures Formed by an Acid and a Hydrated Salt

      • By Berthelot on November 20, 1880

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      More in the November 20, 1880 issue of Scientific American
      • A Great Medical Discovery
      • An Economical Process for Treating Mineral and other Substances Containing Small Quantities of Phosphate of Lime
      • Chlorozone
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