Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 49
RCFJ 1...; t.K. . Fig. 15. … In view of the importance of avoidingglare and inconvenient shadows thereis much to be said for indirect lighting.The sources can then be arranged irres-pective of the positions of the drawingboards. A most important considerationis cleanliness of ceiling, which should bewhite, while walls should,…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.