Search results
Results from the WOW.Com Content Network
A safety lamp is any of several types of lamp that provides illumination in places such as coal mines where the air may carry coal dust or a build-up of flammable gases, which may explode if ignited, possibly by an electric spark. Until the development of effective electric lamps in the early 1900s, miners used flame lamps to provide illumination.
1859 William Clark patented the first electrical mining lamp. [3] 1870s J.B.Marsaut (France) double gauze design [4] 1872 Coal Mines Regulation Act required locked lamps under certain conditions [5] 1881 Joseph Swan exhibited his first electric lamp 1882 Made by William Reid Clanny invented a 'bonnetted' Clanny lamp, [6]
The Geordie lamp was a safety lamp for use in flammable atmospheres, invented by George Stephenson in 1815 as a miner's lamp to prevent explosions due to firedamp in coal mines. Origin [ edit ]
Coalfields of the United Kingdom in the 19th century. Coal mining in the United Kingdom dates back to Roman times and occurred in many different parts of the country. Britain's coalfields are associated with Northumberland and Durham, North and South Wales, Yorkshire, the Scottish Central Belt, Lancashire, Cumbria, the East and West Midlands and Kent.
Stanley lit 23 businesses along a 4000 feet length of main street stepping a 500 AC volt current at the street down to 100 volts to power incandescent lamps at each location. [7] 1893 GE introduces first commercial fully enclosed carbon arc lamp. Sealed in glass globes, it lasts 100h and therefore 10 times longer than hitherto carbon arc lamps ...
The English mining operations were merged with RJB Mining to form UK Coal, a monopoly. British Coal continued as a separate organisation until 31 December 1997, after which it was run as a residual legal entity by staff within the Coal Directorate of the Department of Trade and Industry, [3] [4] eventually being dissolved on 27 March 2004. [5] [6]
UK Coal was the United Kingdom's largest coal mining company, producing approximately 8.7 million tonnes of coal annually from deep mines and surface mines, and possessed estimated reserves in excess of 200 million tonnes of coal. [11] The firm was the successor of British Coal, which was privatised in 1997.
A History Of Coal Mining In Great Britain (1882) Online at Open Library. Hatcher, John, et al. The History of the British Coal Industry (5 vol, Oxford U.P., 1984–87); 3000 pages of scholarly history John Hatcher: The History of the British Coal Industry: Volume 1: Before 1700: Towards the Age of Coal (1993). Michael W. Flinn, and David Stoker.