Gas detector early detection methods relied on less precise detectors. Through the 19th and early 20th centuries, coal miners would bring canaries down to the tunnels with them as an early detection system against life-threatening gases such as carbon dioxide, carbon monoxide and methane. The canary, normally a very songful bird, would stop singing and eventually die if not removed from these gases, signaling the miners to exit the mine quickly. The first gas detector in the industrial age was the "flame safety lamp" (or Davy lamp) was invented by Sir Humphry Davy (of England) in 1815 to detect the presence of
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