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

- of the upcast pit. Hot air rising up the pit, as if up a chimney, drew the exhausted and contaminated air out of the galleries. Downcast pits let the...
- one pit which was divided by a brattice. A furnace was kept burning within the pit and the hot air rose up the one side of the brattice (the upcast side)...
- more pits (for instance see the description of Felling), one pit was the "downcast pit" down which fresh air travelled, the other the "upcast pit" up which...
- the pit 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...
- through water-bearing strata. Two main pits were sunk: the North Shaft (downcast) and the South Shaft (upcast). Both of these reached down to the Hutton...
- All the dead were in the headways by William Pit (the upcast pit). Those in the boards away from William Pit were saved. The Newcastle Courant reported...
- Collieries. The colliery initially had three shafts: Hetty Pit (downcast, later upcast), Pit No. 2 and Pit No. 3 (downcast). On Tuesday 11 April 1893 a fire in...
- was used for upcast air ventilation. In 1878, the main shaft was deepened to reach the Old Coal seam at 293 feet (89 m). By 1908, Big Pit provided employment...
- Florida seam. The upcast shaft No 2, wound coal from the Potato Delf and Wigan Four Foot seams and No 3 shaft was used for pumping. The Lyme Pit disaster occurred...
- the shaft itself being deepened by driving up from below, whilst in the upcast pit-bottom, a compact mine-car circuit was constructed, with the coal now...