Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 282
Fig. 2.—View, looking >wn from half-way up the Escalator, showing the two Bowlsoverhead. note that, by the use of three times asmuch candle-power in one bowl as in theother, it has been found possible to get afair degree of uniformity in illumination,in spite of the distance of the treads from… … PlG. 3.—Showing Time Tables at Waterloo Station, illuminated by transmitted light from lamps inside the frame. 272 THE ILLUMINATING ENGINEER (oct.-dec. 1920) help to break up the monotony, but haveeven a spectacular effect. (b) The Lighting of Tunc Tables (Main(Concourse).We recently referred to…
Lighting
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