Architecture and Machinery
The mill is constructed in buff-pink ashlar sandstone, and has a long cat-slide roof of Kerridge stone-slate. Its plan is rectangular. The roof weighs about 200 tons, and is carried in an Elizabethan oak frame. The rear wall of the mill forms the dam for the lake supplying the water for the mill; this also acts as a moat for Alderley Old Hall. The water drives two overshot wheels of 12 feet (4 m) and 13 feet (4 m) diameter. Each operates separately, forming in effect two distinct mills with its own machinery, the water passing from the upper wheel to the lower one.
Read more about this topic: Nether Alderley Mill
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