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      Knowledge is Power

      Scientific American October 19, 1918

      Utilization of Rotten Potatoes in the Manufacture of Starch

      • October 19, 1918

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      More in the October 19, 1918 issue of Scientific American
      • A Fifty-Year Retrospect
      • High-Speed Steel for Milling Cutters, Taps and Reamers
      • Protection against Aircraft
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