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      Scientific American September 13, 1913

      The Ostwald Process for Making Nitric Acid from Ammonia

      Its Proposed Combination With the Manufacture of Calcium Cyanamide

      • September 13, 1913

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      More in the September 13, 1913 issue of Scientific American
      • Correspondence - September 13, 1913
      • Kinetic Effects of Crowds
      • Permanent Roads an Economic Necessity
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