Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 196
FIG. 3.—Showing light and shade in low-relief objects lighted by semi-indirect arc lamps. … ,ig. 4. Showing statuary and low-relief objects lighted by semi-indirect arc lamps 182 THE [LLUMINATING ENGINEER (apml) maintenance of such establishments couldnot possibly afford to lose si<_dit of. One of the previous speakers hadtouched upon the question of statuary,and Prof. Thompson had, he…
Lighting
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