01697oam 2200469 450 991071366730332120200623084714.0(CKB)5470000002502999(OCoLC)1127388956(EXLCZ)99547000000250299920191113d1928 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierA comparison of propeller and centrifugal fans for circulating the air in a wind tunnel /by Fred E. WeickWashington, [D.C.] :National Advisory Committee for Aeronautics,1928.1 online resource (7 pages, 4 unnumbered pages) illustrationsTechnical notes / National Advisory Committee for Aeronautics ;No. 281"March 1928."No Federal Depository Library Program (FDLP) item number.PropellersTestingFans (Machinery)TestingWind tunnelsDesign and constructionWind tunnelsDesign and constructionfastPropellersTesting.Fans (Machinery)Testing.Wind tunnelsDesign and construction.Wind tunnelsDesign and construction.Weick Fred E.1387817United States.National Advisory Committee for Aeronautics,TRAALTRAALTRAALOCLCOOCLCFGPOBOOK9910713667303321A comparison of propeller and centrifugal fans for circulating the air in a wind tunnel3514687UNINA