Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 26
1-5 foot-candles on thefloor level seems a good result. The next illustration (Fig. 8) shoAVsa Avood Avorkshop, Avliich is 42 ft. longand 20 ft. Avide. This is lighted byfourteen 50-Avatt lamj)s in Holophanereflectors, so that the consumption isabout -8 Avatts per square foot. Theillumination on… … Fi(!. l.-Asseuiblv Hull lighted by four Nonpareil sun-biinuM-s, coiisuiiiiiii, roughly one-ninth of a cubic foot of gas ppr square foot of floor area, the illumination produce^, being,S foot-candles. The room, therefore, uses about 0-011 of a cubic foot of gas per hour1 er lumen. 14 THE…
Lighting
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