000 00305nam a22001217a 4500
082 _a621.381542 RID'E
100 _aRIDER, J.F
_980135
245 _aENCYCLOPEDIA ON CATHODE RAY OSCILLOSCOPES AND THEIR USES
250 _a2ND
260 _aLONDON
_bJOHN RIDER
_c1959
300 _aXIX,25-232P
942 _cBK
999 _c585099
_d585099