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aneroid altimeter
(Encyclopedia) aneroid altimeter: see air navigation.Hovercraft
(Encyclopedia) Hovercraft: see air-cushion vehicle.automatic pilot
(Encyclopedia) automatic pilot: see air navigation.GEM, acronym for ground-effect machine
(Encyclopedia) GEM: see air-cushion vehicle.heat pump
(Encyclopedia) heat pump: see air conditioning.Scheele, Karl Wilhelm
(Encyclopedia) Scheele, Karl WilhelmScheele, Karl Wilhelmkärl vĭlˈhĕlm shāˈlə [key], 1742–86, Swedish chemist, b. Stralsund. He is known as the discoverer of many chemical substances. He was a…Kesselring, Albert
(Encyclopedia) Kesselring, AlbertKesselring, Albertälˈbĕrt kĕsˈəlrĭng [key], 1885–1960, German field marshal. An artillery staff officer in World War I, he later joined the air force and rapidly rose…avionics
(Encyclopedia) avionicsavionicsāˌvēŏnˈĭks [key], electronic instruments used in air or space flight; also the design and production of such instruments. Early planes had few instruments, but as…hiccup
(Encyclopedia) hiccup or hiccough, involuntary spasmodic contraction of the diaphragm followed by a sharp intake of air, which is abruptly stopped by a sudden, involuntary closing of the glottis (…Boyd, Alan Stephenson
(Encyclopedia) Boyd, Alan Stephenson, 1922–2020, U.S. government official, first secretary of transportation (1967–69), b. Jacksonville, Fla. After serving in the Army Air Forces in World War II, he…Trending
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