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      Celebrate Math Awareness Month

      Scientific American August 17, 1918

      Navigating Instruments of Our Aerial Pilots, How Germany Utilized England's Tin Plate Scrap, and more

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      More in the August 17, 1918 issue of Scientific American
      • How we are Training Our Specialists in Gas Warfare
      • Correspondence- August 17, 1918
      • Postal Motor Trucks
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