000 00797cam a22002771 4500
001 7414620
003 BD-DhUL
005 20150115151025.0
008 730302s1948 nyua b 000 0 eng
010 _a 48001249
035 _a(OCoLC)567981
040 _aDLC
_cODaWU
_dOCoLC
_dDLC
042 _apremarc
050 0 0 _aTK7872.V3
_bS6
082 _a621.38151
_bSPV
100 1 _aSpangenberg, Karl R.
245 1 0 _aVacuum tubes /
250 _a1st ed.
260 _aNew York,
_bMcGraw-Hill Book Co.,
_c1948.
300 _axvii, 860 p. :
_billus., diagrs.
_c24 cm.
440 0 _aMcGraw-Hill electrical and electronic engineering series
504 _aIncludes bibliographies & Index.
650 0 _aVacuum-tubes.
906 _a7
_bcbc
_coclcrpl
_du
_encip
_f19
_gy-gencatlg
942 _2ddc
_cBK
999 _c31710
_d31710