Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 363
torsis that a certain amount of light isallowed to escape upwards, illuminatingthe ceiling and preventing the somewhatilark effect in the \ipper part of the roomt hat is apt to be noticeable when ordinaryopaque reflectors are used. We havethus a lighting unit that is a compromisebetween the… … A recently issued catalogue fromMessrs. (Talk, Stadelmann and Co., Ltd., contains data on a series of useful lanternsfor use with gas-filled ( half watt *)lamps. Special interest attaches to the MeltonLantern, illustrated herewith, which werecent ly had an opp >rt unity of inspectingat the…
Lighting
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