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The lamp is in part a development of the Geordie. Air enters into a ring near the base which is protected by wire gauze or a perforated plate. The air passes down the side of the lamp passing through a series of gauze-covered holes, and enters the base through another yet another series of gauze-covered holes.
Geordie lamp. Stephenson's safety lamp shown with Davy's lamp on the left. 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.
Gauze. Gauze is a thin, translucent fabric with a loose open weave. In technical terms, "gauze" is a weave structure in which the weft yarns are arranged in pairs and are crossed before and after each warp yarn, keeping the weft firmly in place. [1] This weave structure is used to add stability to the fabric, which is important when using fine ...
Eleuthera (/ ɪˈljuːθərə /) refers both to a single island in the archipelagic state of the Commonwealth of the Bahamas and to its associated group of smaller islands. [ 2 ] Eleuthera forms a part of the Great Bahama Bank. [ 2 ] The island of Eleuthera incorporates the smaller Harbour Island. "Eleuthera" derives from the feminine form of ...
A 5-inch (125 mm) square of wire gauze with ceramic center. Using wire gauze with an alcohol burner. Wire gauze or wire mesh is a gauze woven of metal wire, or very fine, gauze-like wire netting. Wire gauze is placed on the support ring that is attached to the retort stand between a burner and glassware, or is placed on a tripod to support ...
An incandescent gas mantle, gas mantle or Welsbach mantle is a device for generating incandescent bright white light when heated by a flame. The name refers to its original heat source in gas lights which illuminated the streets of Europe and North America in the late 19th century. Mantle refers to the way it hangs like a cloak above the flame.
Miniature lamps may have a wedge base made of glass or plastic. The base may be an extension of the glass envelope of the bulb, with the wire leads of the lamp folded up at the base. Some wedge bases are made of plastic and slipped over the wire leads. A wedge base holds the lamp by spring compression in the socket. The lamp is inserted and ...
The Argand lamp is a type of oil lamp invented in 1780 by Aimé Argand. Its output is 6 to 10 candelas, brighter than that of earlier lamps. Its more complete combustion of the candle wick and oil than in other lamps required much less frequent trimming of the wick. In France, the lamp is called "Quinquet", after Antoine-Arnoult Quinquet, a ...