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      The Sciences

      Christmas in the Air, Benzine Tractor, for Railway and Road Service and more

      Christmas in the Air
      Benzine Tractor for Railway and Road Service
      16-Inch Gun for Coast Defense Service for Panama
      and more

      • By Carl Dienstbach on December 25, 1915
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      ABOUT THE AUTHOR(S)

        Recent Articles by Carl Dienstbach

        • Zeppelin, Aeroplane and Parachute
        • Aircraft Artillery and Bomb-Dropping
        • An American Aeroplane with Adjustable Wings
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