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Ynys-y-pandy Slate Mill - 31st March 2017

Ynys-y-pandy slate processing works, which served the Gorseddau Quarry, was built in 1856-7 by Evan Jones. It is planned so that the natural fall of the site assisted the manufacturing process. A deep trench inside accommodated a large overshot water wheel (26 ft, 8m in diameter), and on the south side a long curving ramp brought branches of the tramway from Gorseddau Quarry into the mill at two different levels, serving the middle and upper floors. The eastern gable is surmounted by a decorative feature incorporating a false chimney stack, and the west gable windows have at some time had window frames or shutters.

 

The mill specialised in the production of slate slabs for floors, dairies, troughs, urinals, etc. In its heyday it was producing over 2,000 tons per annum, but later production was down to 25 tons per annum due to poor quality of the quarried slate and the business went into liquidation in 1871. The roof was removed around 1906.

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Uploaded on April 2, 2017
Taken on March 31, 2017