Gwaith Copr Brenhinol The Mines, Mynachlog Nedd Math Eitemau Uwchlwytho gan Neath Port Talbot Library and Museum Service
One of the copper mines on the Paris Mountain belonging to the Mona Company. Anglesea Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
General appearance of the copper mines on the Paris Mountain as they appeared in the year 1785. Anglesea Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
Interior of one of the Copper Mines on the Paris Mountain Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
One of the copper mines belonging to the Paris Mountain Company. Anglesea Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
Copper works Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
Copper & brass works Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
View of a stone bridge across the valley and river at Risca in Monmouthshire Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
Copper Works near Holywell. Belonging to the Mona Compy., Flintshire Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
View of a stone bridge across the valley and river at Risca in Mon Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
