Method is described of projecting moving illuminated image of white traffic line on to floor of darkened room, so as to simulate appearance of any particular layout as seen by driver travelling over road at night; illuminated field 36 ft long was obtained, and image of line was made to travel towards observer, seated in car, at speeds up to 25 mph.
White lines -- Laboratory investigation of effects of width and gap
Surveyor
Surveyor and Municipal and County Engineers ; 103 , n 2757
1944
2 pages
Aufsatz (Zeitschrift)
Englisch
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Stark width measurement of several OII lines [3572-91]
British Library Conference Proceedings | 1999
|Engineering Index Backfile | 1941
|Engineering Index Backfile | 1941
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