Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 62
Fig. 4.—Local Electric Lighting in a Printing Works. Illumination on the tables, 7--11 ft.-candles ; in gangway, 1—3 ft.-candles (approx.). The lighting here is on an exceptionallygenerous scale and the illumination was aided by reflection from light walls and ceiling.In another room, also well… … Fig. 5.—Typical general gas ighting (low pressure) in an engineering workshop.
Lighting
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