'Industry': 3D and 2D early locomotives from Neath Abbey Ironworks Company Eitemau 2 items Math Casgliadau Uwchlwytho gan West Glamorgan Archive Service
3D model of the locomotive 'Speedwell' built for Thomas Prothero of Newport, coal merchant) c.1829 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Harford Davies & Company, Ebbw Vale (Sirhowy Iron Works): plan for unidentified locomotive, n.d. Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Harford Davies & Company, Ebbw Vale (Sirhowy Iron Works); plan for unidentified locomotive, n.d. [thought to be 1831] Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Harfords, Davies & Company. Ebbw Vale (Sirhowy Iron Works): Plan and elevations of a six horse-power engine, n.d. Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Harfords, Davies & Company. Ebbw Vale (Sirhowy Iron Works): Plan and elevations of a 10 ½ inch locomotive, Industry, n.d Math Eitemau Uwchlwytho gan West Glamorgan Archive Service