Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 530
very good qualities as regardsabsorjjtion and diffusion. It is thinenough to enable one to read the typeon a sheet of notepaper placed behindone of these globes, but nevertheless thefilament of a lamp inside is not visible andthe surface is evenly illuminated. It is expecied that white glasswareof… … DifEiisiiig Howl.Superlux >vhite glass^vare. These various types of reflectors havebeen installed throughovit the offices ofthe comjiaTiy. so that visitors have ai\opportunity of judging their effect inpra-.tice. 510 THE ILLUMINATING ENGINEER MARBELLA GLASSWARE. Anotlier new variety of white…
Lighting
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