Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 62
Fig. 5.—Typical general gas ighting (low pressure) in an engineering workshop. … KiG. 6.—Gas lighting (l<nv pressure) in a laundry. On benches over 4 fl.-candles ; ingangway, 166 ft.-candles. (For other examples ol low pressure gas lighting see /////;;;. Eiii<., Aug. 1915., p. 430.) 52 THE ILLUMINATING ENGINEER (fkb. 1910) The writer as the result of tests iuaverage…
Lighting
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