Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
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. (identical article entitled) (See also Elec. Rec., vol. 44, no. 5, Nov. 1928, pp. 542-544 and 579, 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. (identical article entitled) (See also Elec. Rec., vol. 44, no. 5, Nov. 1928, pp. 542-544 and 579, 8 figs.)
Aerial highways and their marking
Am. City
Young, D.C. (Autor:in)
American City ; 39
1928
3 pages
8 Figs.
Aufsatz (Zeitschrift)
Englisch
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