A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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. (author)
Airway Age ; 10
1929
3 pages
6 Figs.
Article (Journal)
English
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Lighting for roof signs along the airways
| Engineering Index Backfile | 1928
Engineering Index Backfile | 1937
| Engineering Index Backfile | 1930