In 1815, after many miners were killed in several explosions in north-east England, Humphry Davy was ... His prototype lamp is shown above. The new safety lamp was immediately put into production ...

It is strange that Humphry Davy of Penzance is best known today ... Davy only began work on a coal miner's safety lamp in 1815. He devised a metal gauze around the flame to prevent explosions.

It is strange that Humphry Davy of Penzance is best known today ... Davy only began work on a coal miner's safety lamp in 1815. He devised a metal gauze around the flame to prevent explosions.