Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 495
shmentis recommended, as this obliterates candle. It is usual, when arrangingany tendency to stroboscopic images installations, to allow about 9 candlesowing to the cjclical variations in the (Hefner) per square foot,light. A plan of a three phase instal- In many cases the value of a genuinelation… … Fig. 2.-Moore Outtit f jr Iliotographic Sludio. The tutis coiled into a comparatively small area. MOORE WHITE LIGET. 467 conditions. Without some form of artificial dajliglit work lias tobe suspended when natural light fails,and this is a considerable drawback some extent, and on an…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
