An
incandescent gas mantle,
gas mantle or
Welsbach mantle is a device for generating bright white light when heated by a flame. The name refers to its original heat source in
gas lights which filled the
streets of
Europe and
North America in the late nineteenth century, mantle referring to the way it is hung above the flame. Today it is still used in portable
camping lanterns, pressure lanterns and some oil lamps.