Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 62
ling. This Green station were slio\\ai. The firstof these referred to the new bookinrf hall(not yet open to the public). The illu-mination was again by semi-indirectopal-tungsten units, and the illumina-tion on the floor at the time of testvaried between 04 to 06 foot-candle,thus showing the usual… … FlG. 11.—Showing outside of Golders Green station by night. was again an illustration of the goodprinciple of designing illumination andconstruction together. The minimumillumination at the foot of the stairwas about 05 foot-candle. Thismethod, he understood, was beingemployed on all the new…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
