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 Illum Eng v 35 n 1 Jan 1940 p 72-81)
Street lighting evaluator
Eng News-Rec
Engineering News-Record ; 125 , n 21
1940
2 pages
Bibliography
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1940
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