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      Scientific American August 13, 1910

      $500,000,000 Ready for an Emergency

      • By Thomas D Gannaway on August 13, 1910

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      More in the August 13, 1910 issue of Scientific American
      • Index of Inventions- August 13, 1910
      • The Inventor's Department- August 13, 1910
      • Aeronautics- August 13, 1910
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