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Amgueddfa Cymru – Museum Wales
Black and white film negative showing a cast iron beam of a Cornish pumping engine, made by Harvey of Hayle in 1858, situated half way down the No. 2 shaft, Penrhiwceibr Colliery, 13 November 1975. 'Penrikyber 13 Nov 1975' is transcribed from original negative bag.