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      Knowledge is Power

      Scientific American March 16, 1918

      Small Castings from Alloys and Scrap Metals

      • By Walter J. May on March 16, 1918

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      More in the March 16, 1918 issue of Scientific American
      • “Rail-Creep”
      • Conservatism in England
      • New Plant, Isopyrum Fumarioides, Yielding Hydrogen Cyanide
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