Assertion: lamp's filament | /r/HasProperty | tungsten
Facets:
Source sentences:
text: A deuterium lamp uses a tungsten filament and anode placed on opposite sides of a nickel box structure designed to produce the best output spectrum.
text: A halogen lamp, also known as a tungsten halogen, quartz-halogen or quartz iodine lamp, is an incandescent lamp consisting of a tungsten filament sealed into a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen such as iodine or bromine.
text: A halogen lamp consists of a tungsten filament, which is sealed with a compact transparent envelop and filled with an inert gas and small amount of halogen (bromine or iodine).
text: The conventional incandescent lamp contains a tungsten filament sealed within a glass envelope that is either evacuated or filled with an inert gas or a mixture of these gases (typically nitrogen, argon and krypton).
text: Today, almost all electric incandescent lamps are made with tungsten filaments.
text: These lamps use a tungsten filament in series with the arc tube both to act as a resistive ballast and add full spectrum light to that of the arc tube.