Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 96
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. … Fig. 4.—illumiuatiou of billiard table in same nxim by eight r.ijou burners in cardboardshades. Illumination on (able Ki-l.s ft.-candles. 84 THE ILLUMINATING ENGINEER. confined space. Explosion itself isonly the effect of very rapid expan-sion consequent upon the sudden hbera-tion of heat in an…
Lighting
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