LEADER 01574oam 2200481 450 001 9910712840803321 005 20200131135244.0 035 $a(CKB)5470000002497776 035 $a(OCoLC)1107323792 035 $a(EXLCZ)995470000002497776 100 $a20190703d1921 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aTheory of the ideal windmill /$fby Wilhelm Hoff 210 1$a[Washington, D.C.] :$cNational Advisory Committee for Aeronautics,$d1921. 215 $a1 online resource (15 pages, 2 unnumbered pages) $cillustrations 225 1 $aTechnical notes / National Advisory Committee for Aeronautics ;$vNo. 46 300 $a"July, 1921." 300 $a"Translated from the German, by Paris Office, N.A.C.A."--Page 1. 300 $aNo Federal Depository Library Program (FDLP) item number. 320 $aIncludes bibliographical references. 606 $aWindmills 606 $aPropellers, Aerial 606 $aPropellers, Aerial$2fast 606 $aWindmills$2fast 615 0$aWindmills. 615 0$aPropellers, Aerial. 615 7$aPropellers, Aerial. 615 7$aWindmills. 700 $aHoff$b Wilhelm$f1883-$01392053 712 02$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 $a9910712840803321 996 $aTheory of the ideal windmill$93526643 997 $aUNINA