Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 640
Fig. 10.—Note difference in shadow nnderiieatli tlie silver, also the reversal effect ofits general a]ipearance, some of the dark parts on the left appearing bright in theright hand view and vice versa. HH m ^ ^^Rj^^^^^^H ^^^^^^^s^y^ to I 1 … Fio. 11.—Showing the value of oljlique direct light in l)ringiiig out l.riH-hi silk andvelveteen patterns and showing the folds iu material. Various objects in small booth illuminated by :— (a) direct light with dark surroundings (b) indirect light with light surroundings. 626 THE ILLUailNATING…
Lighting
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