Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 28
eight, or twelve lightscan be switched on at the centralchandelier. In this way the intensityof the illumination can be altered hence also the sharpness of the shadows)can be adjusted by turning on more orless of the units. In conclusion, ac-knoAviedgment should be made of thecourtesy of Mr. J.… … FIG. ^.-Art Room lighted by a cluster of twelve Tungsten Lan.ps m Holophane Globes^Su.rendcd in the centre of the room, immediately under this fitting, an \1 --^-n of1.. foot^candles can be obtained. Four, eight, or twelve lights can ^^ ^^^f^- f^^:^^this enables the sharpness of the shadows, as…
Lighting
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