Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 218
candles 6-8 4-7 7-4 34 (5-6) s Minimum ft! *- candles 4-4 4-0 2-0 16 (2-0) .Maximum ft. s 1 candles 14-6 92 13-0 76 (S-0) = 1 1 Average ft! 1 candles 10.1 7-3 53 60 (6-1) Id Minimum ft! a l candles. 6-6 64 2-2 36 (2-0) * The figures in brackets are the measurements ofartificial light from glow… … Fig. 4,—Co:iiposing Room of The Times IHmninateii by Glow I^amps, 190 THE ILLUMINATING ENGINEER. illuminant has been solely used inproducing the negative. Tablf; v.—Illumination of ComtosingRooms. s. CO SB ts s .£3 Light Source. > n j-Maximum ft. S Sm candles ... 9-4 92 17-0 76(8-0* 2-^B Average…
Lighting
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