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      Scientific American December 1925

      What Becomes of Your Railroad Fares

      The Billions that Go Into the Railroad Treasuries Pass Out Quickly to Turn the Wheels of Industry

      • December 1, 1925

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      More in the December 1925 issue of Scientific American
      • Does a Radio "Roof" Top the World?
      • Man is what he Eats
      • Radio Notes, December 1925
      View Full Contents
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