
Andrew Barclay 0-4-0WT (1994/1931) 'Glyder' shunts wagons of waste slate from one of the galleries at Penrhyn Slate Quarries in August 1963. Photo Tony Bowles

Andrew Barclay 0-4-0WT (1994/1931) 'Glyder' shunts wagons of waste slate from one of the galleries at Penrhyn Slate Quarries in August 1963. Photo Tony Bowles