"Arc lamp" or "arc light" is the general term for a class of lamps that produce light by an electric arc (also called a voltaic arc). The lamp consists of two electrodes, first made from carbon but typically made today of tungsten, which are separated by a gas. The type of lamp is often named by the gas contained in the bulb; including neon, argon, xenon, krypton, sodium, metal halide, and mercury, or by the type of electrode as in carbon-arc lamps. The common fluorescent lamp is a low-pressure mercury arc lamp.
Read more about Arc Lamp: Operation, Carbon Arc Lamp, History
Famous quotes containing the words arc and/or lamp:
“If I am not, may God put me there; and if I am, may God so keep me.”
—Joan Of Arc (c.1412–1431)
“But see, the Virgin blest
Hath laid her Babe to rest:
Time is our tedious song should here have ending;
Heaven’s youngest teemed star,
Hath fixed her polished car,
Her sleeping Lord with handmaid lamp attending;
And all about the courtly stable,
Bright-harnessed angels sit in order serviceable.”
—John Milton (1608–1674)