A type of lamp that produces light from sodium gas contained in a bulb operating at a partial pressure of 0.13 to 1.3 pascal. Low-pressure sodium lamps provide energy-efficient outdoor lighting compared to high-intensity discharge lighting, but they have a very low color rendition index. Typical app...
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http://www.daviddarling.info/encyclopedia/L/AE_low-pressure_sodium_lamp.htm
A type of lamp that produces light from sodium gas contained in a bulb operating at a partial pressure of 0.13 to 1.3 Pascal. The yellow light and large size make them applicable to lighting streets and parking lots.
Found on
http://www.electromn.com/glossary/l.htm
A type of lamp that produces light from sodium gas contained in a bulb operating at a partial pressure of 0.13 to 1.3 Pascal. The yellow light and large size make them applicable to lighting streets and parking lots.
Found on
https://www.encyclo.co.uk/local/22819
No exact match found.
