Invented around 1910, the small carbide cap lamp had several advantages over ... Used in conjunction with oil-wick and carbide cap lamps was the safety lamp, a much larger lamp that could not be worn, ...

Mining was important to Cornwall and so we were interested in the lamp.Humphrey Davy invented ... invented the steam locomotive also worked on a safety lamp and so did William Clanny.

Invented around 1910, the small carbide cap lamp had several advantages over ... Used in conjunction with oil-wick and carbide cap lamps was the safety lamp, a much larger lamp that could not be worn, ...