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Nitroglycerin (NG), also known as trinitroglycerol (TNG), nitro, glyceryl trinitrate (GTN), or 1,2,3-trinitroxypropane, is a dense, colorless or pale yellow, oily, explosive liquid most commonly produced by nitrating glycerol with white fuming nitric acid under conditions appropriate to the formation of the nitric acid ester. Chemically, the substance is an organic nitrate compound rather than a nitro compound, but the traditional name is retained. Discovered in 1846 by Ascanio Sobrero, nitroglycerin has been used as an active ingredient in the manufacture of explosives, namely dynamite, and as such it is employed in the construction, demolition, and mining industries. It is combined with nitrocellulose to form double-based smokeless powder, used as a propellant in artillery and firearms since the 1880s.
Cordite is a family of smokeless propellants developed and produced in Britain since 1889 to replace black powder as a military firearm propellant. Like modern gunpowder, cordite is classified as a low explosive because of its slow burning rates and consequently low brisance. These produce a subsonic deflagration wave rather than the supersonic detonation wave produced by brisants, or high explosives. The hot gases produced by burning gunpowder or cordite generate sufficient pressure to propel a bullet or shell to its target, but not so quickly as to routinely destroy the barrel of the gun.
Nobel is a village on the shores of Parry Sound, Ontario, Canada. It is in the Municipality of McDougall in the District of Parry Sound. The community is named after Alfred Nobel, the inventor of dynamite.
.455 Webley is a British handgun cartridge, most commonly used in the Webley top break revolvers Marks I through VI. It is also known as ".455 Eley" and ".455 Colt".
The black-collared jay is a jay found in Andean forests in Ecuador, Colombia and Venezuela. It was formerly considered conspecific with the white-collared jay.
Aruvankadu is a big village located in The Nilgiris District, Tamil Nadu, India. It is located between Coonoor and Ooty on the NH 67, 6 km from Coonoor town and 12 km from Ooty. It is connected by frequent bus services from various towns and cities. Aruvankadu is also connected via the Nigiri Mountain Railway (NMR).
The Royal Naval Cordite Factory, Holton Heath (RNCF) was set up at Holton Heath, Dorset, England, in World War I to manufacture cordite for the Royal Navy. It was reactivated in World War II to manufacture gun propellants for the Admiralty and its output was supplemented by the Royal Navy Propellant Factory, Caerwent. After the end of World War II, the explosive manufacturing areas of the site were closed down and some areas of the site reopened as the Admiralty Materials Laboratory. A major part of the explosives site became a nature reserve in 1981. Other parts of the site were converted into an industrial estate, and some may be used for housing.
The red-gartered coot is a species of bird in subfamily Rallinae of family Rallidae, the rails, gallinules, and coots. It is found in Argentina, Brazil, Chile, Paraguay, and Uruguay.
The QF 12 pounder 18 cwt gun (Quick-Firing) was a 3-inch high-velocity naval gun used to equip larger British warships such as battleships for defence against torpedo boats. 18 cwt referred to the weight of gun and breech, to differentiate the gun from others that also fired the "12 pound" shell.
The BL 9.2-inch Mk VIII naval gun was designed for the new cordite propellants and was the first British wire-wound gun of this calibre.
The BL 6-inch gun Marks II, III, IV and VI were the second and subsequent generations of British 6-inch rifled breechloading naval guns, designed by the Royal Gun Factory in the 1880s following the first 6-inch breechloader, the relatively unsuccessful BL 6-inch 80-pounder gun designed by Elswick Ordnance. They were originally designed to use the old gunpowder propellants but from the mid-1890s onwards were adapted to use the new cordite propellant. They were superseded on new warships by the QF 6-inch gun from 1891.
The BL 7.5-inch Mk II–Mk V guns were a variety of 50-calibre naval guns used by Britain in World War I. They all had similar performance and fired the same shells.
The vote of no confidence in the Rosebery ministry of 21 June 1895, also known as the Cordite vote, was the occasion on which the Liberal Government of the Earl of Rosebery was defeated in a vote of censure by the House of Commons. The motion was to reduce the salary of the Secretary of State for War as a censure over deficient supply of cordite to the Army. When it was passed, the Secretary of State Henry Campbell-Bannerman offered his resignation. As Campbell-Bannerman was the most popular Minister in a Government which was suffering internal division and whose members had grown tired of office, the Government chose to interpret the issue as one involving confidence in the Government and therefore resigned. The incoming Conservative government soon sought a dissolution of Parliament and won the ensuing general election. The vote is the last time in the History of the British Parliament that a government has been defeated on a confidence motion when it had a workable majority.
Turridrupa armillata is a species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.
Neoterebra armillata is a species of sea snail, a marine gastropod mollusk in the family Terebridae, the auger snails.
Holton Heath is an area of the parish of Wareham St Martin, Dorset, England. The area includes a trading estate, on the site of the former Royal Navy Cordite Factory, Holton Heath, (RNCF). East of the trading estate is the Holton Heath National Nature Reserve, currently closed to the public.
Cordites is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Eucalyptus armillata, commonly known as red-flowered mallee or flanged mallee, is a mallee that is endemic to the south-west of Western Australia. It has smooth bark, narrow lance-shaped adult leaves, flower buds hanging downwards in groups of three, usually red flowers and prominently ribbed fruit with a double flange around the rim.
Acacia armillata is a tree of the genus Acacia and the subgenus Plurinerves that is endemic to north eastern Australia.
Cochemiea armillata is a species of Cochemiea found in Mexico.
References
- ↑ BioLib.cz - Cordites armillata. Retrieved on 8 September 2014.