Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 153
. ,, 45 „ 1 ,, 55 & 135 „ 2-5 „ 90 deg. 90 „ 1 „ 20 & 160 „ 2-5 „ 146 THE ILLmilNATING ENGINEER (maboh) EDISWAN HALF-WATT LAMPFITTINGS. A leaflet from the Edison and SwanUnited Electric Light Co., Ltd., describessome of the Companys new half-wattfittings. The lantern shown is for interior… … G.E.C. ELECTRIC LIGHTING FITTINGS. We are interested to note that theGeneral Electric Co., Ltd., makmg animprovement in the factor of safetyof their electric lighting fittings by dis-continuing the use of Nos. 38 and 40gauges and instead using such a numberof strands of No. 36 gauge for…
Lighting
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