A type of high-intensity discharge lamp that uses sodium under high pressure as the primary light-producing element. These high efficiency lights produce a golden white color and are used for interior industrial applications, such as in warehouses and manufacturing, and for security, street, and are...
Found on
http://www.daviddarling.info/encyclopedia/H/AE_high-pressure_sodium_lamp.ht
A type of High-Intensity Discharge (HID) lamp that uses sodium under high pressure as the primary light-producing element. These high efficiency lights produce a golden white color and are used for interior industrial applications, such as in warehouses and manufacturing, and for security, street, and area lighting.
Found on
https://www.encyclo.co.uk/local/22819
No exact match found.
