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Tunnel with indirect lighting
Lighting installation in 2-lane vehicular tunnel which underpasses estuary between Oakland, Calif, and island of Alameda, is described; shielded, reflected illumination and variable intensities are obtained by installation that combines horizontal specular louvers and high output fluorescent lamps with dimming ballasts; stainless steel luminaires feature practical wiring details, moisture sealing and cover latches.
Tunnel with indirect lighting
Lighting installation in 2-lane vehicular tunnel which underpasses estuary between Oakland, Calif, and island of Alameda, is described; shielded, reflected illumination and variable intensities are obtained by installation that combines horizontal specular louvers and high output fluorescent lamps with dimming ballasts; stainless steel luminaires feature practical wiring details, moisture sealing and cover latches.
Tunnel with indirect lighting
Elec Construction Maintenance
1963
4 pages
Aufsatz (Zeitschrift)
Englisch
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