000 00675nam a22002057a 4500
999 _c76316
_d76316
003 BD-DhPL
005 20190929005524.0
008 190929b ||||| |||| 00| 0 eng d
040 _aBD-DhPL
_bEnglish
_cBD-DhPL
082 _a621.38 / H392e
100 _aHenney, Keith
_9123926
245 _aElectron tubes in industry /
_cKeith Henney and James D. Fahnestock
250 _a3rd ed.
260 _aLondon :.
_b McGraw-Hill,
_cc 1952.
300 _a353 p. :
_bill. ;
_c23 cm.
508 _a90
650 _aElectric, electronic, magnetic, communications, computer engineering; lighting
_9269458
700 _aFahnestock, James D.
_ejoint author
_9269459
942 _2ddc
_cBK