Tungsten-Halogen Lamps Tungsten-halogen lamps have a tungsten filament inside a quartz envelope. This type of lamp does not blacken the inside of the envelope and operates at an almost constant brightness and color temperature throughout its life.
Tungsten-Halogen Lamp
A tungsten filament coil set in a regenerative halogen gas atmosphere that eliminates premature lamp blackening. Useful lamp-life is extended, lamp size decreased. Earlier name: Quartz Iodine.
QUARTZ LIGHTS - Generic term for various types of lights that use tungsten-halogen lamps.
 See also: Tungsten, Photograph, Light, Halogen, Photography
  
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