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      Scientific American November 20, 1880

      A Great Medical Discovery

      By Investigatus Discoverandum, M.D., C—A. 10 A.C

      • November 20, 1880

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