Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 143
er forwonder that the care bestowed on thearchitectural scheme of an interiorso often stops short at the illumination. Tests of Some Typical Shades andReflectors.As an illustration of the effects andadvantages of various common forms Figs. 3-12 were obtained with in-candescent mantles (upright or… … Fig. 5.—Distribution curve of incandescentmantle and mantle in enamelled steel reflector. 180 160 140 120 100 80 li > Fig. 7.—Distribution curve of incandescentmantle and mantle in green cased opal glassshade.
Lighting
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