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      Knowledge is Power

      Scientific American October 11, 1890

      Examination of Oils, Fats, and Allied Substances

      • By Thomas T. P. Bruce Warren on October 11, 1890

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      More in the October 11, 1890 issue of Scientific American
      • Flexible Gelatine Capsules
      • The Highest Mountain Peaks of North America
      • Friendship of Birds
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