Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 486
illl. VVlKELKhS TeLKPHONE UTILIZED IN AviATION One of the most notable developments of the war was the directing of a squadronof airplanes in intricate maneuvers by wireless telephone either from the groundor by the commander in the leading plane. The upper panel shows the pilot andthe observer…
Physics
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