For practical work, a group of tungsten incandescent lamps are used.

It is a very tasteful, yet completely dated 60s thing with those old light fittings that take linear tungsten lamps.

Lamp power also influences color in tungsten lamps.

Electrical contacts may carry a "T" rating symbol indicating that they are designed to control circuits with the high inrush current characteristic of tungsten lamps.

General Electric introduced standard base sizes for tungsten incandescent lamps under the Mazda trademark in 1909.

Onboard calibration sources for channels measuring reflected sunlight include solar diffusers and tungsten lamps.

With tungsten light film (3200 K), no filter is needed if the substage illuminator has a tungsten lamp.

Daylight films give the best colour balance, with a blue compensating filter for the transmitted light (tungsten lamp) frames.

Uses tungsten lamp to balance bridge.

The illumination source was either a single tungsten lamp or this plus a conventional warm white striplight as appropriate.