000 00323nam a2200133Ia 4500
654 _aELEC
100 _aN.H.Frank.
250 _a2nd Ed.
245 _aIntroduction To Electricity &Optics.(1950).
260 _bTata McGraw-Hill Publishing Company Limited
_c1950
082 _bN.H
300 _a440p.
999 _c19069
_d19069
300 _c24 cm.
655 _aD-10
041 _aeng
546 _aText in English