ClipArt ETC
Any of various devices furnishing artificial light, as by electricity or gas. Cf. fluorescent lamp, incandescent lamp.

Incandescent Lamp

Any of various devices furnishing artificial light, as by electricity or gas. Cf. fluorescent lamp,…

Lamp that generates light by heating a filament.

Incandescent Lamp

Lamp that generates light by heating a filament.

An artificial source of visible illumination, an oil lamp that will not ignite flammable gasses.

Miners Safety Lamp

An artificial source of visible illumination, an oil lamp that will not ignite flammable gasses.

"In photometry (measure of light), a mounting for an incandescent lamp ... Rotator. The lamp to be tested is mounted upon a revolving spindle, ss, current being supplied through the brushes bb. The axis of rotation may be varied by turning the spindle about the horizontal shaft a." -Whitney, 1911

Rotator

"In photometry (measure of light), a mounting for an incandescent lamp ... Rotator. The lamp to be tested…