01672oam 2200469 450 991071513450332120201223084442.0(CKB)5470000002508671(OCoLC)937438010(EXLCZ)99547000000250867120160208d1931 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierComparison of weights of 17ST and steel tubular structural members used in aircraft construction /by E.C. HartmannWashington, [D.C.] :National Advisory Committee for Aeronautics,1931.1 online resource (17 pages, 5 unnumbered pages) illustrationsTechnical note / National Advisory Committee for Aeronautics ;No. 378"May, 1931."No Federal Depository Library Program (FDLP) item number.Includes bibliographical reference (page 13).Tubes, SteelTestingLoads (Mechanics)Loads (Mechanics)fastTubes, SteelTestingfastTubes, SteelTesting.Loads (Mechanics)Loads (Mechanics)Tubes, SteelTesting.Hartmann E. C.1415621United States.National Advisory Committee for Aeronautics,OCLCEOCLCEOCLCQCOPGPOBOOK9910715134503321Comparison of weights of 17ST and steel tubular structural members used in aircraft construction3518186UNINA