000 00477cam a2200193ua 4500
020 _c50.00
041 _aeng
_h
082 _a621.381 542
_bPAR/CA
100 _aParr, G .
245 _aCathode ray tube and its applications /
_cG Parr.
_hTextual Documents
250 _a3 /
_b.
260 _aLondon :
_bChapman and Hall Ltd ,
_c1959.
300 _a433 ; .
365 _a50.00
504 _a
700 1 _aDavie, O H .
942 _cBK
999 _c263554
_d263554