Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 111
, the candlepower immediatelyunder the lamp is increased more thansix times. The device is of quite recent intro-duction, and no doubt other alternativeforms to suit various requirements will beevolved. The reflector is manufacturedby the Halo Company, 7, ExchangeBuildings, St. Marys (late.… … ♦ We referred recently to the compre-hensive list issued by the British ThomsonHouston Co., Ltd., dealing with MazdaluxMetal Reflectors, of which a great varietyare shown. Special interest attaches to the newdesigns of focussing concentrating typesof reflectors for half-watt lamps which areregarded…
Lighting
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