(Thomas) Prothero (Newport, Coal merchant): Speedwell, Plan and elevations. n.d., c.1829 Type Item Uploaded by West Glamorgan Archive Service
Harfords, Davies & Company. Ebbw Vale (Sirhowy Iron Works): Plan and elevations of a six horse-power engine, n.d. Type Item Uploaded by West Glamorgan Archive Service
Harfords, Davies & Company. Ebbw Vale (Sirhowy Iron Works): Plan and elevations of a 10 ½ inch locomotive, Industry, n.d Type Item Uploaded by West Glamorgan Archive Service
Gloucester & Cheltenham Rail Road Company: ‘Royal William’ plan, 7 Oct. 1831 Type Item Uploaded by West Glamorgan Archive Service
Dowlais Iron Company: Rack locomotive, elevation and plan of locomotive. n.d. Type Item Uploaded by West Glamorgan Archive Service
Joseph Claypon, owner, Brecon Forest Tramroad, design for un-named locomotive, 29 Sep. 1840 Type Item Uploaded by West Glamorgan Archive Service
Bodmin and Wadebridge Railway Company: plan of a double carriage, 9 Nov. 1833 Type Item Uploaded by West Glamorgan Archive Service
