Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 438
—6*33 foot-candles were recorded, in the gangways4*5 foot-candles. These figures, like those given in theprevious article, are probably typical ofmany workshops lighted by low pressuregas. The illumination pro\ided is pre-sumably quite sufiicient for this kind ofwork, and agrees with that suggested… … Fig. 1.—Carpenters shop ; local low pressure units with shades over the benches.
Lighting
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