Mercury vapor lamp An artificial light source produced by passing current through mercury vapor in a tube. Search SWPP and BPPA Information provided by: SWPP BPPA More Photographic Terms ...
Vapor lamp A lamp containing a gas or vapor that glows with light when an electric current passes through it. Mercury, neon and sodium vapor lamps produce strongly coloured light. The light from fluorescent tubes is closer to daylight.
mercury vapor lamp an enclosed light source that produces radiation by passing an electrical current through gaseous mercury. Merrow (1) edging around a patch or emblem; (2) trademark of Merrow Machine Company.
Mercury Vapor Lamp Discharge-lamp, producing light of defined wavelengths by ionization of mercury atoms with accelerated electrons. Messier Catalog a) One of the earliest catalogues of nebulous-appearing astronomical objects, ...
SAFELIGHT FILTERS The word safelight in photography is used to describe filtered tungsten illumination or direct illumination from a sodium-vapor lamp.
Emission can be spontaneous, as in light-emitting diodes, gas discharge lamps (such as neon lamps and neon signs, mercury-vapor lamps, etc.), and flames (light from the hot gas itself-so, for example, ...
See also: Light, Photograph, Blue, Color, Camera
 
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