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      Knowledge is Power

      Scientific American September 20, 1919

      High-Lights of Air-Travel

      Some of the Things Seen from a Plane That Contradict Experience Gained on the Ground

      • By M. Luckiesh on September 20, 1919

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      More in the September 20, 1919 issue of Scientific American
      • Features of the Still Engine, Liquid Oxygen and more
      • Making the Desert Bloom in Australia
      • Secrets of Antiquity
      View Full Contents
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