Glow Lamp

A type of discharge lamp containing a vacuum tube filled with a gas which, when ionized by electrons, gives off an intense glow. The intensity of the light could be varied according to the voltage applied to it. Glow lamps were used in early drum scanners.

All text and images are licensed under a Creative Commons License
permitting sharing and adaptation with attribution. (See Copyrights for details.)

PrintWiki – the Free Encyclopedia of Print
About    Hosted by WhatTheyThink