Shetland crocodile Intensive inventor of miners safety lamp chapter Sovereign Slump
Davy lamp is a safety lamp for use in flammable atmospheres like coal mines, invented in 1815 by Sir Humphry Davy. It consists of a wick lamp with the flame produced by
The birth of the miners' safety lamp - The Hindu
Shedding Light in Dark Places: the story of the miner's lamp | Eric Edwards Collected Works