Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 40
ove-lighting. It may be stated herethat in comparison ofshadows, one must considerthe contrast between theillumination in the shadowand the surrounding illu-mination. This is thereason why the shadowswitli indirect illuminationappear so much less thanwith direct illumination, butit should be… … F[G. 12—Indirect liLjtiting in ionn-f ol I,u.,|....mTheatre, showing evenness of ilhnnination secured.The walls are green and the ceiling white. 28 THE ILLUiMTNATING ENGINEER. niiicli fewer outlets tliaii tlie directsystem. The difTerence is that Avitlithe indirect system of ilhiminatioii Avetreat…
Lighting
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