000 00269nam a22001217a 4500
082 _a621.381542 REY'C
100 _aREYNER, J. H
_941552
245 _aCATHODE RAYS OSCILLOGRAPHS
250 _a2ND
260 _aLONDON
_bSIR ISAAC
_c1945
300 _a187P
942 _cBK
999 _c584898
_d584898