01507oam 2200421 450 991071673770332120210824132407.0(CKB)5470000002524800(OCoLC)1159597539(EXLCZ)99547000000252480020200623d1937 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierNoise from propellers with symmetrical sections at zero blade angle /by A.F. DemingWashington, [D.C.] :National Advisory Committee for Aeronautics,1937.1 online resource (21 pages, 11 unnumbered pages) illustrationsTechnical note / National Advisory Committee for Aeronautics ;No. 605"July 1937."No Federal Depository Library Program (FDLP) item number.Includes bibliographical references (page 21).Propellers, AerialNoiseTestingPropellers, AerialNoisefastPropellers, AerialNoiseTesting.Propellers, AerialNoise.Deming A. F.1391553United States.National Advisory Committee for Aeronautics,TRAALTRAALOCLCOOCLCFGPOBOOK9910716737703321Noise from propellers with symmetrical sections at zero blade angle3445425UNINA