000 00289 a2200121 4500
003 OSt
040 _cIIT Kanpur
041 _aeng
245 1 _aOperating Instituctions TYPE 121O-C UNIT R-C OSCILLATOR
260 _aMassachusetts
_bGeneral Radio Company
_c1964
300 _a12
942 _cBK
999 _c453038
_d453038