Safety lamp it. Air is drawn in and descends just inside the glass, passing up through the flame in the centre of the lamp. The outer casings of lamps have been made of brass or tinned steel. If a lamp bangs against a hard piece of rock a spark could be generated if iron or untinned steel were employed. Within months of Clanny's demonstration of his first lamp, two improved designs had been announced: one by George Stephenson, which later became the Geordie lamp, and the Davy lamp, invented by Sir Humphry Davy. Subsequently, Clanny incorporated aspects of both lamps and produced
Durham Miners Heritage Centre Durham Miners Heritage Centre The Durham Miners Heritage Centre was a museum, now closed, run by the Durham Miners Heritage Group at Neville's Cross, Durham, England. It had a display of coal mining memorabilia and an exhibition of art. One of the main reasons for the display was to educate the next generation of children about the mining past of County Durham and to give opportunities to research coal mining history, especially local school groups in the area and visitors to the city. The displays included mining pit lamps such as the famous Davy lamp, tools used in the mining