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      Celebrate Math Awareness Month

      Scientific American January 12, 1884

      An Actinic Method for the Determination of Organic Matter in Potable Water

      With the Application of the Method to the Water Supplies of Philadelphia, Newark,. Jersey City, Brooklyn, and New York

      • By Albert R. Leeds

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      More in the January 12, 1884 issue of Scientific American
      • Bottle Glass
      • Method for Rapid Demagnetization
      • Piuri, or “Indian Yellow”
      View Full Contents
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