Evaluator to facilitate field determination of net visibility supplied by given street or highway systems; mounted on motor car, evaluator serves as traveling laboratory for quickly measuring and recording, for given points on street, brightness factors that determine effectiveness of lighting installation. (see also Eng News-Rec v 125 n 21 Nov 21 1940 p 702-3)
Street lighting evaluator
Illum Eng
Illuminating Engineering ; 35 , n 1
1940
10 pages
Bibliography
Article (Journal)
English
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Engineering Index Backfile | 1940
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