safety lamp

a miner's lamp in which the flame is protected by wire gauze to prevent the immediate ignition of explosive gases.

Origin of safety lamp

First recorded in 1810–20

The advertised object of the meeting was to present him with a reward for “the invention of his safety-lamp.”

Lives of the Engineers |Samuel Smiles
And that is the explanation of the beautiful miner's safety-lamp invented by Sir Humphry Davy.

The Story of a Tinder-box |Charles Meymott Tidy
Over this polished surface glistens the reflection of a solitary light, the light of a safety-lamp shining through a wire net.

Black Diamonds |Mr Jkai
This safety-lamp of the miner not only shows the presence of gas, but prevents its explosion.

Lectures on Popular and Scientific Subjects |John Sutherland Sinclair, Earl of Caithness

He held up his safety-lamp, already showing a marked blue cap of gas over the flame.

The Boy With the U.S. Miners |Francis Rolt-Wheeler

safety lamp

an oil-burning miner's lamp in which the flame is surrounded by a metal gauze to prevent it from igniting combustible gas Also called: Davy lamp