Threlkeld quarry museum, 2010
40 photos of a visit to this quarry, which has a 2ft gauge railway and is home to the Vintage Excavators Trust.
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Underground water wheel, Threlkeld, Sat 28 August 2010. The water wheel drives the endless chain at right. On it can be seen rag bundles, used to 'mop up' the workings.
