Edmund Davy Edmund Davy Edmund Davy FRS (1785 – 5 November 1857) was a professor of Chemistry at the Royal Cork Institution from 1813 and professor of chemistry at the Royal Dublin Society from 1826. He discovered acetylene, as it was later named by Marcellin Berthelot. He was also an original member of the Chemical Society, and a member of the Royal Irish Academy. Edmund Davy was a cousin of Humphry Davy, the famous chemist who invented the Davy lamp for the safety of miners. Edmund, the son of William Davy, was born in Penzance, Cornwall, and lived there throughout his teen
Safety lamp the top of the lamp. Some Mueseler lamps were fitted with a mechanism which locked the base of the lamp. Turning down the wick eventually released the base, but by then the flame was extinguished and therefore safe. The lamp was patented in 1840 and in 1864 the Belgian government made this type of lamp compulsory. In the presence of firedamp the explosive mixture is drawn through two gauzes (cylinder and shelf), burnt and then within the chimney are only burnt gases, not explosive mixture. Like a Clanny, and the Davy before it, it acts as an indicator of firedamp,