Definition of upcast pit. Meaning of upcast pit. Synonyms of upcast pit

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Definition of upcast pit

upcast pit
Upcast Up"cast`, n. 1. (Bowling) A cast; a throw. --Shak. 2. (Mining.) The ventilating shaft of a mine out of which the air passes after having circulated through the mine; -- distinguished from the downcast. Called also upcast pit, and upcast shaft. 3. An upset, as from a carriage. [Scot.] 4. A taunt; a reproach. [Scot.] --Sir W. Scott.

Meaning of upcast pit from wikipedia

- down which air p****es to ventilate the workings. The Lamp pit was the upcast pit, that is the one up which the air p****es. At the time of both disasters...
- bratticing one shaft, it was more convenient to use one shaft as the upcast pit and the other as the downcast pit. Underground however, brattices remained...
- that time air circulation was induced by a furnace at the base of the upcast pit. Hot air rising up the pit, as if up a chimney, drew the exhausted and...
- was the "downcast pit" down which fresh air travelled, the other the "upcast pit" up which spent air escaped. Within the colliery the air was forced to...
- downcast pit was therefore used for the conveyance of men and materials. The upcast pit carries air up. Early practice was to use a furnace below ground to induce...
- Big Pit National Coal Museum (Welsh: Pwll Mawr Amgueddfa Lofaol Cymru) is an industrial heritage museum in Blaenavon, Tor****, South Wales. A working coal...
- The colliery initially had three shafts: Hetty Pit (downcast, later upcast), Pit No. 2 and Pit No. 3 (downcast). Hetty Shaft was sunk in 1875 to 392 yards...
- Haydock Collieries was a colliery company situated in and around Haydock on the Lancashire Coalfield which is now in Merseyside, England. The shallow coal...
- Oakdale Colliery was a coal mine located in the Sirhowy Valley, one of the valleys of South Wales. In the early years of the twentieth century the need...
- Chatterley Whitfield Colliery is a disused coal mine on the outskirts of C****, Staffordshire in Stoke on Trent. It was the largest mine working the North...
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