Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 51
Wave liii Fig. 6.—Relative Distribution of Energy with(1) Emerald Green ami Ultramarine (1st cor-rection); (2) Alteration with Vermilion;(3) Sunlight. Correction by Vermilion. Vermilion E.G.+ Wave- Reflection Energy V V length. Co- V. — U.M.+ _ efficients. 10 10 •692 70 104 10-4 25-87 •638 100… … T 0-5 n-fi Wave length. Fig. 7.—An attempt at Blue Sky EnergyDistribution: (1) Connected Light; (2) BlueSky (Ives). It will be seen that by introducing asmall relative area of vermilion into thereflector we shall improve the curve. For plotting, the curves are reduced toequal ordinates with the…
Lighting
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