A blue lamp used to be the sign of a police station.

Fluorescent lamps have a longer rated life and use less energy than an incandescent lamp of the same brightness.

Originally lighted lamps used to be placed at these niches.

Some lamps use an aluminum coating as a reflector.

These lamps use a lot of oil.

A lamp used when no one was home.

Such lamps usually use a small disposable steel container to provide the fuel.

She quickly found the matches and lamp they kept just inside, then used one to light the other.

The lamp used by the incendiary was found; but no clew whatever as to who he could be.

The new lamps will use substantially less electricity and will have much longer life than current bulbs, company officials say.