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      Knowledge is Power

      Scientific American February 1924

      The Story of Steel—II

      Missabe—The Greatest Iron Mines and the Most Economical Mining in the World

      • February 1, 1924

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      More in the February 1924 issue of Scientific American
      • Flivvers of the Air That Approach 100 Miles Per Gallon
      • Lessons of the Japanese Earthquake
      • One Law Versus Forty-Eight
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