Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 163
begiven against the tendency to instalthese new lamps in the same reflectorsor fittings in which previous lamps areemployed. This generally works outvery badly, particularly in the case ofprevious shallow dome or conical ena-melled iron reflectors. These expose thelied lamp in the line of vision… … Fig. 18.- -Types of lighting units forlamps used in U.S.A. gas-filled productive of glare, forms an inefficientreflector, and is altogether unsuitable andbad practice. Many similar equipmentsare to be seen based on previous methodsof attaching the reflector to the lamp-holder in total disregard of…
Lighting
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