A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Lighting of roof signs opens new opportunities for electric contractors; visibility is essential; letter heights of less than 6 ft. not recommended; roof signs must attract attention; signs should be located on most prominent buildings, or on roofs which stand out sharply; methods to be considered in lighting airway signs; suitable units for floodlighting. (See also identical article entitled Aerial Highways and Their Marking, D. C. Young, in Am. City, vol. 39, no. 5, Nov. 1928, pp. 127-129, 8 figs)
Lighting of roof signs opens new opportunities for electric contractors; visibility is essential; letter heights of less than 6 ft. not recommended; roof signs must attract attention; signs should be located on most prominent buildings, or on roofs which stand out sharply; methods to be considered in lighting airway signs; suitable units for floodlighting. (See also identical article entitled Aerial Highways and Their Marking, D. C. Young, in Am. City, vol. 39, no. 5, Nov. 1928, pp. 127-129, 8 figs)
Lighting for roof signs along the airways
Elec. Rec
Weitz, C.E. (author)
Electrical Record ; 44
1928
8 Figs.
Article (Journal)
English
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| Engineering Index Backfile | 1929