Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 229
Total fluxto refer-ence planein lumens. 1 12200 0 12200 •> 8925 7 15680 3 14210 8 16990 4 15820 0 16790 5 16740 10 12200 Lamps 1 to 8 are symmetrical aboutthe short centre line of the shop withlamps 11 to 18, and as the lamps inevery other bay are symmetrical about 214 THE [LLUMIXATIXG ENGINEER… … VIII. Workshop lighted b\ indirect arc lamp
Lighting
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