Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 272
1 lamps on bstia^—7argets-\ Fig. 15.—An Army range in Surrey. Longitudinal section of range. targets, or at any rate those which arenot allotted to the worst lighted targets.Among the examples shown above, how-ever, the wTiter could not find definite … Fig. 16.—An Army range in Surrey. Transverse section of range and curve oftarget illumination. evidence that any of the targets weregenerally considered by the users of theranges to be so badly lighted as to be unshootable. The visual impressiongiven by these ranges certainly did notsuggest the…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
