Search results
Results from the WOW.Com Content Network
The Sussmann lamp [58] was introduced into Britain in 1893 and following trials at Murton Colliery in Durham it became a widely used electric lamp with 3000 or so reported by the company in use in 1900 [59] However, by 1910 there were only 2055 electric lamps of all types in use – about 0.25% of all safety lamps. [60]
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 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]
The Davy lamp is a safety lamp used in flammable atmospheres, invented in 1815 by Sir Humphry Davy. [1] It consists of a wick lamp with the flame enclosed inside a mesh screen. It was created for use in coal mines, to reduce the danger of explosions due to the presence of methane and other flammable gases, called firedamp or minedamp.
This was followed by a line of electrically-driven coal mining machines. [8] By 1911, the company's plant in Columbus occupied more than 30 acres. The main machine shop was more than 700 feet (210 m) long and 200 feet (61 m) wide. The plant had an internal railway more than 10 miles long, used to transfer material between departments.
An acetylene gas miner's lamp. A carbide lamp or acetylene gas lamp is a simple lamp that produces and burns acetylene (C 2 H 2), which is created by the reaction of calcium carbide (CaC 2) with water (H 2 O). [1] Acetylene gas lamps were used to illuminate buildings, as lighthouse beacons, and as headlights on motor-cars and bicycles. Portable ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
In 1867, Thomas patented an improvement to the design of the safety lamp that would prevent the glass in the lamp from becoming loose by using india rubber. In 1868, he obtained a patent for "an improvement in the construction of miners' safety lamps, in such a manner as to enable petroleum or other mineral oils to be consumed therein". [ 2 ]