Working digital model of a 40 inch condensing beam engine made for the Hafod Copper Works by Neath Abbey Ironworks Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
CAMBRIAN COPPER WORKS, ENGLISH COPPER COMPANY, LLANELLI Math Eitemau Uwchlwytho gan Comisiwn Brenhinol Henebion Cymru
CAMBRIAN COPPER WORKS, ENGLISH COPPER COMPANY, LLANELLI Math Eitemau Uwchlwytho gan Comisiwn Brenhinol Henebion Cymru
