Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 265
nditions. Ranges of the National Reserve City ofLondon Battn: Rifle Chih,Blackfriars. The National Reserve Rifle Club hastwo ranges extending under the ThamesEmbankment, and each containing two 25S THE ILLUMINATING ENGINEER (jitne) superposed rows of targets separated fromeach other by a horizontal… … Fig. 1.—^National Reserve Rifle Club Ranges. Disposition of targets and lamps onright-hand range. extends outwards sufficiently to preventany light from the ceiling lamps fromreaching the lower row of targets or matic glass reflectors. At the time whenthe tests were made, these reflectors wereall…
Lighting
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