Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 636
he extreme possibilities In Fig. 4 are seen, side by side, theeffects of hand-shadow caused by lightcoming respectively from the rightand from the left. The illustration justi-fies the old rule that the light on adesk should not (if one is right-handed) come from the right, for inthis case an… … Fig. 4. (a) Light coming from the right andca8ting inconvenient shadow over writing. in this direction.t Naturally all thephotographs here reproduced were takenentirely by the artificial light in use at thetime, and in each case every attempt wasmade to reproduce as exactly as possiblethe actual…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
