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Water for the colliery was originally supplied by a steam driven pump situated near the valley bottom at a site known as the Horse Fair Spring. The pump-house was located some distance from the river and it’s possible that the water was obtained from the spring.
In 1992 the pump was a Tangye ‘Special’ fed from a vertical boiler mounted on the same bed plate. This was a horizontally mounted double-acting ram pump directly coupled to the engine piston and capable of delivering 7200 galls/hour against a head of 133ft. It had a 10in diameter piston with 12in stroke, a 6in diameter ram and ran at 50 strokes per minute. There was a duplicate boiler and pump at the pump-house.
The Tangye ‘Special’ pump was not patented until 1884, however, and there must have been another pump in use before the ‘Specials’ were installed. What type this was is unknown.
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