Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 286
ightingare to conceal the lamps from viewand to illuminate the objects displayed—not to exhibit lamps and fittings. Theseaims must be attained as economicallyas possible, i.e., as much of the lightas possible must be directed where itis actually needed. The British Thomson-Houston Co., Ltd.. draw… … Fig. 2.—Diagram showing lighting effectobtained with X-Ray reflectors. Thelight is concentrated oil the display ; noneis wasted on the pavement or ceiling, andthe lamps are invisible to people lookingin the window. along the top edge of the window behindthe fascia (or a shallow curtain), and…
Lighting
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