Port Philip & Colonial Gold Mining Company (?Australia): plan of 24 inch engine, Type Item Uploaded by West Glamorgan Archive Service
Mexican Mining Company, Mexican Silver Mines: Plan, 10 Apr. 1824 Type Item Uploaded by West Glamorgan Archive Service
Mexican Mining Company, Mexican Silver Mines: designs, 4 Mar. 1824 Type Item Uploaded by West Glamorgan Archive Service
Fred. Huth & Company. London & Spain: 24 inch engine. 6 May 1847 Type Item Uploaded by West Glamorgan Archive Service
Anglo-Mexican Mining Company (London): 53 inch engine, plan and elevation, 1824 Type Item Uploaded by West Glamorgan Archive Service
