Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 199
n Harrison (communicated):I was very glad to hear Dr. Thompsoncall attention to the great variation inthe colour of daylight. There is such ageneral impression that daylight is astandard to emulate that it is well peopleshould realise that it varies considerably Daylight is generally known as… … an III .id i Life Roomal the Arte and Crafts School (Southampton Row. London). Tuo semi-indirectc lampMaOO-watt very high up in .Ik- extreme corners ol the room. Special hxal h ,, c model provided by 240-watt tungsten lamp, behind diffu*ingXs. ™unteS „ an THE ILLUMINATING ENGINEER (april) is.. (a…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.