01596oam 2200469 450 991071715240332120220210075959.0(CKB)5470000002528692(OCoLC)1156324014(EXLCZ)99547000000252869220200602d1940 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPrinciples, practice, and progress of noise reduction in airplanes /by Albert LondonWashington, [D.C.] :National Advisory Committee for Aeronautics,1940.1 online resource (66 pages, 14 unnumbered pages) illustrationsTechnical note / National Advisory Committee for Aeronautics ;No. 748"January 1940."No Federal Depository Library Program (FDLP) item number.Includes bibliographical references (pages 53-57).AirplanesNoiseNoise controlAirplanesNoisefastNoise controlfastAirplanesNoise.Noise control.AirplanesNoise.Noise control.London Albert1914-1418743United States.National Advisory Committee for Aeronautics,TRAALTRAALOCLCOOCLCFGPOBOOK9910717152403321Principles, practice, and progress of noise reduction in airplanes3531046UNINA