U.S. Air Services

U.S. Air Services

4.11 - 1251 ratings - Source

... construction of the B-19, chapters which will make this craft the trailblazer for American engineering and craftsmanship in building the Nationa#39;s air defense. ... With a profile model of the airplane, wires and pulleys, the entire process was carried out in miniature again and again. ... There was the radio, four transmitting and receiving sets used for different purposes, containing as much radio equipment asanbsp;...

Title:U.S. Air Services
Publisher: - 1941


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