Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 362
exterior of the reflector. One distinguishing feature of thereflector is the deep skirt, which increasesthe dispersion of the light rays. Theconcentrated form of the half-watt lampfilament is an obstacle to wide distribu-tion, but this difficulty has here beensurmounted by the addition of the… … Fig. 1.—Dispersive Type Mazdalux MetalReflector for Industrial Lighting. OS 60* 65 BO 163 BO (35°
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.