Plan and elevation of engine-house site, n.d. Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Elevation of steam engine and engine-house, n.d. c.1825 (watermark) Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Rhymney Iron Company : 18” engine, Oct 1839 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Port Philip & Colonial Gold Mining Company (?Australia): plan of 24 inch engine, Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Mexican Mining Company, Mexican Silver Mines: Plan, 10 Apr. 1824 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Mexican Mining Company, Mexican Silver Mines: designs, 4 Mar. 1824 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Fred. Huth & Company. London & Spain: 24 inch engine. 6 May 1847 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Francis Dare, Porthcawl (miller): 15 inch engine, plans and elevations, 1841 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Anglo-Mexican Mining Company (London): 53 inch engine, plan and elevation, 1824 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Waterline drawing of Princess Royal circa 1850 n.d. Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Sail plan of Ellen Bates, (full rigged ship). 1850s Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Plans of ship: Clara, design for screw propeller. 7 Feb 1845 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Sundry wrought iron work for the ‘Britannia’. 15 Mar. 1817 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Plan of the Netherland Steam Packet Company's vessel, Batavier, 500 tons, 200 horse-power, n.d., c. 1830s Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Notes made at Dover on the paddle steamer ‘Arrow’, built by Thomes Evans of Rotherhithe, 28 Jan 1822 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Gas apparatus for the Neath Abbey Iron Works, 27 Jan. 1820 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Ground plan of 19 inch engine on Boulton and Watt's principle. 20 Feb. 1815 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Ground plans, elevations, and section of a coking oven [at NAI], made by Rich, and Sam. Parsons. 30 May 1823 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Plan of NAI boring mill (shows site of machines with names of operatives given). n.d., Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Elevation and details of the roof of the new NAI fitting shop. 20 Oct. 1819 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Rhymney Iron Company: 10 1/2" locomotive engine, Sectional elevation, plan and cross sections of locomotive engine for 2' 6" gauge railway, four wheels coupled 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
Dowlais Iron Company: 8½” locomotive. Elevation and end view of 8½” engine, Feb. 1840 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Dowlais Iron Company: Plan, elevation and end view of locomotive engine, 31 Aug. 1831 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service
Rhymney Iron Company: plan for 8” locomotive, 1866 Math Eitemau Uwchlwytho gan West Glamorgan Archive Service