000 00611 a2200253 4500
001 99201
020 _a0
041 _aeng
080 _a621.314.5 Ris
245 _aMercury-arc current convertors : an introduction to the theory and practice of vapour-arc discharge devices and to the study of rectification phenomena
250 _a2nd ed
260 _aLondon
260 _bSir Isaac Pitman,
260 _c1941
300 _axvii,434 p.
300 _c22cm
490 _a
100 _aRissik, H.
700 _a
650 _a
650 _aElectric current converters
942 _cBK
942 _2UDC
999 _c57968
_d57968