01760oam 2200517 450 991071284190332120200131120456.0(CKB)5470000002497765(OCoLC)1107323787(EXLCZ)99547000000249776520190703d1921 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierInfluence of span and load per square meter on the air forces of the supporting surface /by A. Betz[Washington, D.C.] :National Advisory Committee for Aeronautics,1921.1 online resource (7 pages, 1 unnumbered page) illustrationTechnical notes / National Advisory Committee for Aeronautics ;No. 41"March, 1921.""Translated from Technische Berichte, Vol. 1, Section 4, by Lt. Walter S. Diehl."No Federal Depository Library Program (FDLP) item number.Lift (Aerodynamics)AerofoilsAir flowAerofoilsfastAir flowfastLift (Aerodynamics)fastLift (Aerodynamics)Aerofoils.Air flow.Aerofoils.Air flow.Lift (Aerodynamics)Betz Albert1885-1965,4635United States.National Advisory Committee for Aeronautics,TRAALTRAALOCLCOOCLCFGPOBOOK9910712841903321Influence of span and load per square meter on the air forces of the supporting surface3528616UNINA