LEADER 01697oam  2200493I  450 
001 9910713454503321
005 20200427102659.0
035   $a(CKB)5470000002501108
035   $a(OCoLC)1117765728
035   $a(EXLCZ)995470000002501108
100   $a20190909d1923      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aVariation in the number of revolutions of air propellers /$fby W. Achenbach
210  1$a[Washington, D.C.] :$cNational Advisory Committee for Aeronautics,$d1923.
215   $a1 online resource (7 pages)
225 1 $aTechnical notes / National Advisory Committee for Aeronautics ;$vNo. 131
300   $a"March 1923."
300   $a"From Technische Berichte, Vol. III, Part 2."
300   $a"Translated by the National Advisory Committee for Aeronautics"--Page 7.
300   $aNo Federal Depository Library Program (FDLP) item number.
320   $aIncludes bibliographical references.
606   $aPropellers, Aerial
606   $aPropellers$xTesting
606   $aPropellers, Aerial$2fast
606   $aPropellers$xTesting$2fast
615  0$aPropellers, Aerial.
615  0$aPropellers$xTesting.
615  7$aPropellers, Aerial.
615  7$aPropellers$xTesting.
700   $aAchenbach$b W.$01216399
712 02$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   $a9910713454503321
996   $aVariation in the number of revolutions of air propellers$93488446
997   $aUNINA