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Holt motor drag racing 1920's
aircraft numbering system (Langley's), 479 Aircraft Production Board, Council of National Defense, 8, 19 airfoil cascades. See also Lewis Flight Propulsion Laboratory. See also Liaison Office, Air Materiel Command (AAF), at Langley Field and Army Air Forces (AAF). aeronautical engineering programs, U.S., 47-49 aeronautical engineers, civil service examination, 46, 49 development of, 47, 53 Aeronautical Research Committee (British), 553 Aeronautical Society of Great Britain, 66, 78 aeronautics, as perceived by Joseph S. Advanced Research Projects Agency (ARPA), 381, 385 Advisory Committee for Aeronautics (British), 3, 5 Aero Club of America, 11, 532 Aero Digest, 119, 120, 133, 144-146, 340 Aerodrome (Samuel Langley's), 2, 4ill.