safety lamp

The same gallery will host works by Ryan Gander, who will create sculptures inspired by northern inventions, from Joseph Swan's incandescent light bulb to George Stephenson's Geordie safety lamp.

From BBC ● Feb. 26, 2018

Again it was a result of an opened safety lamp igniting the gas.

From BBC ● Nov. 8, 2017

For it was in Newcastle in 1815 that the miners' safety lamp was first demonstrated, an entirely practical device made not for stylish appearance, but to stop miners from getting blown up.

From The Guardian ● Jun. 15, 2012

In addition we had a safety lamp, which one of the guards had long been looking for under the impression that he had lost it.

From The Escape of a Princess Pat Being the full account of the capture and fifteen months' imprisonment of Corporal Edwards, of the Princess Patricia's Canadian Light Infantry, and his final escape from Germany into Holland by George Pearson

Each mine generating fire-damp so as to be detected by a safety lamp, shall be kept free from standing gas.

From Mining Laws of Ohio, 1921 by The Department of Industrial Relations