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      Scientific American August 15, 1914

      Result of First Contest for Safety in Aeroplanes, in France

      Remarkable Performance of the Sperry Gyroscopic Stabilizer

      • August 15, 1914

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      More in the August 15, 1914 issue of Scientific American
      • Iron Ore Output of the World
      • The Flying Machine from an Engineering Standpoint—II
      • Thermo-Electric Measurements of Stellar Radiation
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