LEADER 01849oam 2200469I 450 001 9910712842603321 005 20200131105329.0 035 $a(CKB)5470000002497758 035 $a(OCoLC)1107323707 035 $a(EXLCZ)995470000002497758 100 $a20190703d1921 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aMeasurements of rudder moments on an airplane during flight /$fby v. Heidelberg 210 1$a[Washington, D.C.] :$cNational Advisory Committee for Aeronautics,$d1921. 215 $a1 online resource (23 pages, 5 unnumbered pages) $cillustrations 225 1 $aTechnical notes / National Advisory Committee for Aeronautics ;$vNo. 38 300 $a"January, 1921." 300 $a"Translated from Zeitschrift fu?r Flugtechnik und Motorluftschiffahrt, Volumes Nos. 21 and 22, Paris Office, N.A.C.A." 300 $aAuthor is listed as "Ing. v. Heidelberg", however, this may not be a single author, but could signify "engineers from Heidelberg." 300 $aNo Federal Depository Library Program (FDLP) item number. 320 $aIncludes bibliographical references. 606 $aAirplanes$xSteering-gear$xTesting 606 $aAirplanes$xTail surfaces 606 $aAirplanes$xTail surfaces$2fast 615 0$aAirplanes$xSteering-gear$xTesting. 615 0$aAirplanes$xTail surfaces. 615 7$aAirplanes$xTail surfaces. 700 $aHeidelberg$b V.$01394023 712 02$aUnited States.$bNational Advisory Committee for Aeronautics, 801 0$bTRAAL 801 1$bTRAAL 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910712842603321 996 $aMeasurements of rudder moments on an airplane during flight$93457759 997 $aUNINA