Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 490
th tungsten lamps anHolophane spheres. walls in j)lain mat colours. On thetables of this room a general illumina-tion of 3-5 foot-candles is provided ;on the side-tables, where the portable was found to be about 25 foot-candles.The effect of the silk shades is naturallyto leave the wiills and… … Fig. 2.—Whitfhall Club: Dining-room illumiuated lij cliandelier^ ciri.nuy tiiugatjnliiiiipi and Iliiloiibane rctiectors.
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.