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A chimney cowl or wind directional cap is a helmet-shaped chimney cap that rotates to align with the wind and prevent a downdraft of smoke and wind down the chimney. An H-style cap is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method of regulating draft in situations where prevailing winds or ...
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A chimney sweep in Wexford, Ireland in 1850. A chimney sweep is a person who inspects then clears soot and creosote from chimneys. The chimney uses the pressure difference caused by a hot column of gas to create a draught and draw air over the hot coals or wood enabling continued combustion. Chimneys may be straight or contain many changes of ...
Joseph Glass (1791/2 – 29 December 1867) was the inventor of a successful chimney-sweeping apparatus, and a campaigner against boys being employed in sweeping chimneys. Life [ edit ]
The stack effect or chimney effect is the movement of air into and out of buildings through unsealed openings, chimneys, flue-gas stacks, or other purposefully designed openings or containers, resulting from air buoyancy. Buoyancy occurs due to a difference in indoor-to-outdoor air density resulting from temperature and moisture differences ...
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Coal miners from West Virginia – whom locals have lovingly dubbed the “West Virginia Boys” – moved a mountain in just three days to reopen a 2.7-mile stretch of Highway 64 between Bat Cave ...
chimney pot smoke-stack above a house. "Pot" refers to the cylindrical topmost part that is usually earthenware. The part below is the chimney or chimney stack. chinagraph pencil pencil designed to write on china, glass etc. (US: grease pencil, china marker) chip shop