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Nitroglycerin (NG), also known as nitroglycerine, trinitroglycerin (TNG), nitro, glyceryl trinitrate (GTN), or 1,2,3-trinitroxypropane, is a dense, colorless, 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. Invented in 1847 by Ascanio Sobrero, nitroglycerin has been used ever since as an active ingredient in the manufacture of explosives, namely dynamite, and as such it is employed in the construction, demolition, and mining industries. Since the 1880s, it has been used by the military as an active ingredient and gelatinizer for nitrocellulose in some solid propellants such as cordite and ballistite. It is a major component in double-based smokeless propellants used by reloaders. Combined with nitrocellulose, hundreds of powder combinations are used by rifle, pistol, and shotgun reloaders.
Cordite is a family of smokeless propellants developed and produced in the United Kingdom since 1889 to replace gunpowder as a military propellant. Like 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.
The .303 British or 7.7×56mmR, is a .303-inch (7.7 mm) calibre rimmed rifle cartridge.
.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.
The .577/450 Martini–Henry is a black powder, centrefire rifle cartridge, it was the standard British service cartridge from the early 1870s that went through two changes from the original brass foil wrapped case to the drawn brass of two parts, the case and the primer. The .577/450 Martini–Henry was introduced with the Martini–Henry, in service it succeeded the .577 Snider cartridge and was used by all arms of the British armed forces as well British colonial forces throughout the British Empire until it was itself succeeded by the .303 British cartridge after an unsuccessful trial of a .402 calibre
Aruvankadu is a small town 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 an Admiralty Research Establishment. 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 the family Rallidae. On average, it grows to 45 cm (18 in) in length, which exceeds that of most coots. It is found in Argentina, southern Brazil, Chile, Paraguay and Uruguay, and is a vagrant to Bolivia and the Malvinas Islands. Its natural habitats are swamps and freshwater lakes. Fossils of this species are known from the Laguna de Tagua Tagua formation of Chile.
The QF 12 pounder 18 cwt gun 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.
Neoterebra armillata is a species of sea snail, a marine gastropod mollusk in the family Terebridae, the auger snails.
Astele is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Astele armillata is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Cordites is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
The .500/450 3¼-inch Magnum Black Powder Express, is a centerfire rifle cartridge developed in Britain.
Eucalyptus armillata, commonly known as red-flowered 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.
References
- ↑ BioLib.cz - Cordites armillata. Retrieved on 8 September 2014.