Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 136,320 pages of information and 219,072 images on early companies, their products and the people who designed and built them.
of Railway Ironworks, Birmingham.
London Office - 27 Great George Street, Westminster.
Presumably connected with the business of Joseph Warden, Junior
1849 Directory: Listed as nail manufacturers 
1859 Advert - Manufacturers of Merchant Bars, Angle and T Irons, Boiler Plates, Corrugated and Galvanised Sheets. Also Screws Bolts and Nuts, Boiler Rivets, Hoisting Crabs, Screw Jacks, Chains ect.