LEADER 01760oam  2200529I  450 
001 9910713358003321
005 20200401081302.0
035   $a(CKB)5470000002500063
035   $a(OCoLC)1111633658
035   $a(EXLCZ)995470000002500063
100   $a20190806d1923      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 13$aAn optical altitude indicator for night landing /$fby John A.C. Warner
210  1$a[Washington, D.C.] :$cNational Advisory Committee for Aeronautics,$d1923.
215   $a1 online resource (5 pages, 3 unnumbered pages) $cillustrations
225 1 $aTechnical notes / National Advisory Committee for Aeronautics ;$vNo. 123
300   $a"January, 1923."
300   $aNo Federal Depository Library Program (FDLP) item number.
320   $aIncludes bibliographical reference (page 4).
606   $aLanding aids (Aeronautics)
606   $aAirplanes$xLighting
606   $aNight flying
606   $aAirplanes$xLighting$2fast
606   $aLanding aids (Aeronautics)$2fast
606   $aNight flying$2fast
615  0$aLanding aids (Aeronautics)
615  0$aAirplanes$xLighting.
615  0$aNight flying.
615  7$aAirplanes$xLighting.
615  7$aLanding aids (Aeronautics)
615  7$aNight flying.
700   $aWarner$b John A. C.$01415227
712 02$aUnited States.$bNational Advisory Committee for Aeronautics,
801  0$bTRAAL
801  1$bTRAAL
801  2$bTRAAL
801  2$bOCLCF
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910713358003321
996   $aAn optical altitude indicator for night landing$93516624
997   $aUNINA