000 00306nam a2200121Ia 4500
008 160710s1946 xx 000 0 und d
082 _a621.32 SPR
100 _aSPREADBURY, F. G.
245 _aELECTRIC DISCHARGE LIGHTING
260 _bSIR ISAAC PITMAN & SONS, LTD.
_c1946
300 _a136
942 _2ddc
_cB
999 _c6423
_d6423