Poster arddangosfa - Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Mae adleisiau o ddiwydiant y gorffennol yn atseinio yma - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Gwerthu pŵer i'r byd - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Gweithwyr haearn - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Gwaith haearn o'r 17eg ganrif - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Ffwrneisi Chwyth 1792 - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Dyffryn y felin - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Crud y diwydiant adeiladu llongau haearn’ - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Cloddio glo yn ystod cyfnod y mynachlogydd - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Bwydo'r ffwrnais - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Y Chwyldro Trafnidiaeth - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Sefydlu Gwaith Haearn Mynachlog Nedd - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Peiriant trawst cyddwyso a gynlluniwyd ac a adeiladwyd - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Pam y denwyd diwydiant yma? - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Croeso - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
Welcome - panel gwybodaeth Gwaith Haearn Mynachlog Nedd, 2021 Math Eitemau Uwchlwytho gan The Friends of Neath Abbey Iron Company: ‘Dial H for Heritage: Neath Abbey's history explained’
