000 00594nam a2200217 4500
999 _c6767
_d6767
001 5987
003 BD-ChUET
005 20251023171538.0
008 191016b ||||| |||| 00| 0 eng d
040 _aBD-ChUET
_cBD-ChUET
082 _a621.32/WAT
100 _a Walsh, John W. T.
245 _aTextbook of illuminating engineering:
_bintermediate grade /
_cJohn W T Walsh
260 _aLondon :
_b I. Pitman,
_cc1954.
300 _axii, 202 pages :
_billustrations
_c22 cm.
500 _aIncludes index.
526 _aEEE
546 _aEnglish.
650 _a Lighting.
942 _2ddc
_cBK