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A fireplace may have the following: a foundation, a hearth, a firebox, a mantel, a chimney crane (used in kitchen and laundry fireplaces), a grate, a lintel, a lintel bar, an overmantel, a damper, a smoke chamber, a throat, a flue, and a chimney filter or afterburner.
Today's central heating systems have made chimney placement less critical, and the use of non-structural gas vent pipe allows a flue gas conduit to be installed around obstructions and through walls. Chimney in North London Flue. Most modern high-efficiency heating appliances do not require a chimney.
The excess fabric at the top of the structure is the smoke hole and smoke flaps. A smoke hole ( smokehole , smoke-hole ) is a hole in a roof for the smoke from a fire to vent. [ 1 ] Before the invention of the smoke hood or chimney , many dwellings had smoke holes to allow the smoke from the hearth to escape.
A sheer hulk (or shear hulk) was used in shipbuilding and repair as a floating crane in the days of sailing ships, primarily to place the lower masts of a ship under construction or repair. Booms known as sheers were attached to the base of a hulk's lower masts or beam, supported from the top of those masts.
The following is a list of Nike missile sites operated by the United States Army.This article lists sites in the United States, most responsible to Army Air Defense Command; however, the Army also deployed Nike missiles to Europe as part of the NATO alliance, with sites being operated by both American and European military forces.
Tower Bridge is a Grade I listed combined bascule, suspension, and, until 1960, cantilever bridge [1] in London, built between 1886 and 1894, designed by Horace Jones and engineered by John Wolfe Barry with the help of Henry Marc Brunel. [2]
It is on the eastern side of the Mersey Estuary, near the Irish Sea, 178 miles (286 km) northwest of London. Liverpool is the fifth largest city in the United Kingdom and the administrative headquarters of the Liverpool City Region , a combined authority area with a population of over 1.5 million.
The steeplejacks removed the top of the chimney and then created a hole in its base, propped with blocks of wood. They then lit a fire, destroying the supports and causing the chimney to collapse. Unfortunately, on this occasion the chimney fell in the wrong direction, onto the greyhound track's dog kennels, a local café and a series of power ...