Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 638
(a) Mi8t3- dayli<;ht. (b) .\rtiticial light. Fig. 7.—Note well-diffused light and absence of shadow from person and legs of tripod bydaylight. By the light of the street-lamp half the face is in deep shadow ; well markedshadows are also cast by body and tripod legs. 624 THE ILLUMINATING ENGINEER…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
