LEADER 01642oam  2200505   450 
001 9910716888203321
005 20210916120935.0
035   $a(CKB)5470000002525300
035   $a(OCoLC)1159597640
035   $a(EXLCZ)995470000002525300
100   $a20200623d1937      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 12$aA sound pressure-level meter without amplification /$fby E.Z. Stowell
210  1$aWashington, [D.C.] :$cNational Advisory Committee for Aeronautics,$d1937.
215   $a1 online resource (4 pages, 5 unnumbered pages) $cillustrations
225 1 $aTechnical note / National Advisory Committee for Aeronautics ;$vNo. 629
300   $a"December 1937."
300   $aNo Federal Depository Library Program (FDLP) item number.
606   $aSound$xMeasurement
606   $aMeasuring instruments
606   $aDecibels
606   $aDecibels$2fast
606   $aMeasuring instruments$2fast
606   $aSound$xMeasurement$2fast
615  0$aSound$xMeasurement.
615  0$aMeasuring instruments.
615  0$aDecibels.
615  7$aDecibels.
615  7$aMeasuring instruments.
615  7$aSound$xMeasurement.
700   $aStowell$b Elbridge Z.$01393286
712 02$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   $a9910716888203321
996   $aA sound pressure-level meter without amplification$93449263
997   $aUNINA