A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Description of luminaires and light sources for recent tunnel lighting installations; light location plan and luminaire design for supplementary entrance lighting; sodium illumination offering longer lamp life with smaller upkeep cost; proposed flush type ceiling luminaire for tunnel entrance lighting.
Description of luminaires and light sources for recent tunnel lighting installations; light location plan and luminaire design for supplementary entrance lighting; sodium illumination offering longer lamp life with smaller upkeep cost; proposed flush type ceiling luminaire for tunnel entrance lighting.
Lighting modern road tunnel
Eng News-Rec
Swetland, R.W. (author)
Engineering News-Record ; 123
1939
3 pages
Article (Journal)
English
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