Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 96
rangedaccording to the specific gravity :— Sp. gr. Idealmixture. C, H,, Pentane .. 0626 .. 2-53% C, H„ Hexane .. 0663 .. 214% CV H„j Heptane .. 0-688 .. 1-86% Cs H„ Octane .. 0-719 .. 164% Cg H^o Nonane .. 0742 .. 146% It will be observed that the heaAderthe spirit used, the larger the propor-tion… … Fig. 3.—Showing illumination of large room in a country house (40 x 20 ft. approx.), lightedby eight,Bijou buraers on brackets with bead shades. General illumination 1 ft.-candle.
Lighting
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