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gaseous mercury in fluorescent lamps,[91] while most of the other applications are slowly phased out due to health and safety regulations,[92] and is in…72 kB (7500 palabras) - 03:48 23 abr 2024
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- electric lamps in the early 1900s, miners used flame lamps to provide illumination. Open flame lamps could ignite flammable gases which collected in mines, causing…59 kB (7744 palabras) - 14:57 30 abr 2024
- the lamps. Smithsonian (October 2022). "Safety Lamps". Smithsonian Institution. Retrieved 22 October 2022. Smithsonian (October 2022). "Electric Lamps".…26 kB (3295 palabras) - 22:05 24 mar 2024
- Mine Safety Appliances, or MSA Safety Incorporated, is an American manufacturer and supplier of safety equipment designed for use in a variety of hazardous…7 kB (631 palabras) - 19:14 6 mar 2024
- 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…9 kB (1006 palabras) - 21:53 1 dic 2023
- portable mining lamp. 1885 Thomas Evans of Aberdare made a Clanny type of safety lamp 1886 Royal Commission on Accidents in Mines tested lamps and made recommendations…6 kB (606 palabras) - 14:48 5 feb 2024
- later versions of safety lamps. Even after the widespread introduction of the safety lamp, explosions continued because the early lamps were fragile and…10 kB (1288 palabras) - 11:40 28 abr 2024
- the lamp's glass surface. The fluorescent lamp is perhaps the best known gas-discharge lamp. Compared to incandescent lamps, gas-discharge lamps offer…29 kB (3316 palabras) - 13:22 21 may 2024
- Acetylene gas lamps were used to illuminate buildings, as lighthouse beacons, and as headlights on motor-cars and bicycles. Portable acetylene gas lamps, worn…12 kB (1399 palabras) - 09:41 14 may 2024
- Chapter 23, first page. L. C. Isley, A. B. Hooker, Permissible Electric Mine Lamps, US Department of Commerce Bulletin No. 332, 1930, pp. 32-34 v t e…2 kB (196 palabras) - 22:27 14 jun 2023
- lamps was awarded in 1985. The two most recent variants of the cap lamp are the GEN 4 and GEN 5 models. The GEN 4 model, approved for use by the Mine…2 kB (287 palabras) - 12:57 11 oct 2021
- Look up LAMP or lamp in Wiktionary, the free dictionary. Lamp, Lamps or LAMP may refer to: Oil lamp, using an oil-based fuel source Kerosene lamp, using…3 kB (413 palabras) - 16:05 30 abr 2024
- However, some lamps (mainly fluorescent tubes/energy saving lamps) can be restruck as soon as they are turned off (called hot restrike lamps). The Vortek…25 kB (3115 palabras) - 04:58 8 abr 2024
- Light fixture (redirección desde Desk lamps)environment. All light fixtures have a fixture body and one or more lamps. The lamps may be in sockets for easy replacement—or, in the case of some LED…13 kB (1487 palabras) - 02:34 9 abr 2024
- the lamp-house, where miners' safety lamps were stored and distributed. The site today. Left: memorial to miners killed. Right: entrance to mine, now…5 kB (497 palabras) - 16:31 27 nov 2021
- Federal Mines Safety Act of 1910 was a United States statute passed for the purposes of establishing the United States Bureau of Mines as a federal agency…12 kB (626 palabras) - 16:49 17 may 2024
- gas leaks. The miners hence worked using open flame lights instead of safety lamps.[4] A Royal Commission into the accident confirmed that the disaster…5 kB (544 palabras) - 13:14 12 may 2024
- William Reid Clanny (redirección desde Clanny safety lamp)the weight of the lamp to 34 ounces (964 grams). By 1816, when Clanny published Practical observations on safety lamps for coal mines, he had experimented…6 kB (668 palabras) - 13:27 20 mar 2024
- included early oil lamps, enclosed-flame lamps, carbide lights, battery-powered cap lamps, and the flame safety lamp. The exhibit also included historical…9 kB (977 palabras) - 15:25 15 mar 2024
- Street light (redirección desde Street lamps)time, oil lamps were used predominantly, as they provided a long-lasting and moderate flame. A slave responsible for lighting the oil lamps in front of…68 kB (7744 palabras) - 08:32 5 may 2024
- Most mines are simply closed once they are no longer productive. For safety they are usually partially destroyed (filled in). However, many mines are at…4 kB (474 palabras) - 02:25 28 mar 2021
- Board decided to mandate the first Davy safety lamp. On January 21, 1826, the state made the use of safety lamps compulsory, despite the opposition of the…7 kB (700 palabras) - 16:55 23 abr 2024