Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Exposed lamps or floodlighting can be used for airway roof signs; lighting intensity should be at least 15 ft.-candles; signs often more effectively located on ground; lighting requirements; lighting with angle reflectors.
Exposed lamps or floodlighting can be used for airway roof signs; lighting intensity should be at least 15 ft.-candles; signs often more effectively located on ground; lighting requirements; lighting with angle reflectors.
Lighting of airway roof signs
Airway Age
Young, D.C. (Autor:in)
Airway Age ; 10
1929
3 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
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Lighting for roof signs along the airways
| Engineering Index Backfile | 1928
| Engineering Index Backfile | 1930
Engineering Index Backfile | 1937