Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 35
howing the efficienciesof complete fittings. It was, however,necessarv to draw a distinction betweenvalues obtained with the aid of con-centrating reflectors, and values obtainedfrom the bare mantle, in making com-parisons between different systems oflighting. He was especially pleased to note… … Fig. 2.—Showing lighting of new booking hallat Guildford station by semi-indirect methods. Consumers should be taught that glarewas not only harmful, but wasteful,and in railway lighting they had to makeconstant efforts to impress this pointon people. THE ILLUMINATING ENGINEER (jan. 1922) 25 In…
Lighting
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