Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 127,388 pages of information and 200,997 images on early companies, their products and the people who designed and built them.
Thomas Spencer of the Moat Forge, Tipton (1848)
of Vulcan Iron Works, West Bromwich (1851)
1848 'At the Moat forge, belonging to Mr. Thomas Spencer, every description of hammered iron is made for marine engines and other uses' 
1851 Vulcan Iron Works, West Bromwich. Thomas Spencer. "Manufacturers of railway rims and axles and every description of hammered iron". Sole manufacturers of Chambers patent wrought iron railway wheels.
1853 of Vulcan iron Works, West Bromwich
1853 onwards, of Clough Hall Iron Works, Kidsgrove, near Stoke-upon-Trent.