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A type of Davy lamp with apertures for gauging flame height. The lamp consists of a wick lamp with the flame enclosed inside a mesh screen. The screen acts as a flame arrestor; air (and any firedamp present) can pass through the mesh freely enough to support combustion, but the holes are too fine to allow a flame to propagate through them and ignite any firedamp outside the mesh.
A similar lamp was designed by George Stephenson. [6] Day level. A level driven from the surface. Deep. Workings and roadways at a level below the pit bottom. Deputy. A "deputy overman", deputy, fireman (North Wales and parts of Lancashire) or examiner (South Wales) was an underground official who had supervision of a district and the men ...
A mining lamp is a lamp, developed for the rigid necessities of underground mining operations. Most often it is worn on a hard hat in the form of a headlamp. History
Rimmer, D & others Clanny, Stephenson and Davy: commemorating the bicentenary of the miners safety lamps. Miners Lamp Collectors Society, 2015; Watson, W.F. The invention of the miners safety lamp: a reappraisal Transactions, Newcomen Society 70(1) 1998-9, 135-141 "to settle the disputed features of the lamps of Clanny, Davy and Stephenson"
Evan Thomas (died after 1881) was a Welsh ironmonger who became an inventor and manufacturer of safety lamps for miners. He was the original proprietor of the Cambrian Lamp Works, established in Aberdare in 1860.
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British Coal-Miners in the Nineteenth Century: A Social History (Holmes & Meier, 1980) Berger, Stefan Llafur. "Working-Class Culture and the Labour Movement in the South Wales and the Ruhr Coalfields, 1850-2000: A Comparison," Journal of Welsh Labour History/Cylchgrawn Hanes Llafur Cymru (2001) 8#2 pp 5-40. Bick, David E.
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 ...