000 00292pam a2200133a 44500
082 _a621.32
_bC551m
100 _aClarke, D. A.
245 1 _aMODERN ELECTRIC LAMPS
260 _aLondon
_bBlackie
_c1952
300 _a205
650 _aElectric Lamps
964 _gCIRC
997 _a5004 s C
999 _c416310
_d416310