A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sodium illumination for vehicular traffic tunnels
Merits of NA-9, 10,000-lumen, sodium lamp for long underpass and traffic tunnel application, involving continuous burning circuits discussed. Before Illum Eng Soc and Am Inst Elec Engrs.
Sodium illumination for vehicular traffic tunnels
Merits of NA-9, 10,000-lumen, sodium lamp for long underpass and traffic tunnel application, involving continuous burning circuits discussed. Before Illum Eng Soc and Am Inst Elec Engrs.
Sodium illumination for vehicular traffic tunnels
Ilum Eng
Swetland, R.M. (author)
1941
10 pages
Article (Journal)
English
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