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Water Wheel and Flat Rod Pumping System, Cwm Ciprwth Mine;Gilfach Copper Mine

Loading Map
NPRN288124
Map ReferenceSH54NW
Grid ReferenceSH5260647770
Unitary (Local) AuthorityGwynedd
Old CountyCaernarfonshire
CommunityDolbenmaen
Type Of SiteMINE
PeriodPost Medieval
Description
1. At Cwm Ciprwth Mine there is a waterwheel and flat rod complex, used for pumping water out of the shaft at SH5256647783 and for winding in the adjacent shaft at SH5257247799. The wheel, measuring eleven metres by one metre, is powered through a leat by stream water. The original iron suspension wheel, with cast iron shrouds, hub and crank and wrought iron spokes, is still in place together with the friction clutch drive to the winding drum.

The crank drove a series of horizontal wooden beams, 16m, 20m and 20m long, connected to an inverted T-bob at the shaft head which converted the horizontal movement to a vertical reciprocating movement. The flat rods were supported on a series of A-frames which would have moved back and forth. A the top of the complex a pumping system, consisting of two cast iron valves / pistons, seems to have extracted the water and fed it back into the stream by using a sluice. There are at least two shafts visible in the centre of the complex which are now full of water. This cast iron wheel measures seven metres in diameter and was made by Dingey & Son of Truro, the name is cast on the shrouds. There are a number of structures surround the mine, some of which contain spare parts and machinery. The features were noted during an upland survey conducted by Archaeophysica during 2005-6.

RCAHMW, 17 November 2011.

2. Scheduled as Gilfach Copper Mine

RCAHMW 2014