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Brattice

Brattice – A division created in a mine Shaft or tunnel which is used to control or direct the airflow in the mine. One side of the brattice would be the air flow intake and the other, the return

Bords

Bords – The ‘gap’ left by mining coal in a ‘bord and pillar’ method. Describes the gap between pillars left to support the roof after mining. (see pillar). Bords or stalls were a rectangular area of coal excavation and the pillars were the square columns of coal left for support. Usually worked in the shallow wet …

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Blower

Blower – A discharge of Firedamp under extreme pressure. (see firedamp)

Blackdamp

Blackdamp – A mixture of carbonic acid gas and nitrogen

Bell Pit

Bell Pit – As the name suggests, the mining operation produced a bell shaped pit. This was an early form of mining, comprising a shallow Shaft into a seam. Coal was extracted and pulled up to the surface in baskets via a rope. A bell pit was complete when the pit was in immanent danger of …

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Basset

Basset or Basset Edge – The place where a seam surfaces usually as a result of geological action on the strata.

Banksman

Banksman – The colliery official responsible for overseeing the loading and unloading of the pit cage at the surface (see Bank). The banksman was also in charge of signalling

Anthracite

Anthracite – Coal which is high in carbon with a small percentage of volatile matter

Air gate

Air gate – The return roadway for stale air from the face to the surface.

Anvil Stone

Anvil Stone – In early mining activities, ores were crushed by placing them on a flat anvil stone and hitting them with a Hammer Stone.

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