I grew up in South Wales and was surrounded by the coal mining industry ... history which fuelled the Industrial Revolution. This lamp, designed to reduce underground explosions which claimed ...

An illuminating report from Wales, on the evolution of the miners' safety lamp.

allowing this brighter flame to be directed and giving the miner a wider range of light. The drawback of the carbide lamp was that its open flame was still capable of igniting methane gas in mines.

allowing this brighter flame to be directed and giving the miner a wider range of light. The drawback of the carbide lamp was that its open flame was still capable of igniting methane gas in mines.