Cast iron pressure cooker of 4 quart capacity, with latches to secure the lid and steam release safety valve in centre of lid, by E. Pugh & Co., Wednesbury, Staffordshire, 1850-1870 Cast iron pressure cooker, c. 1860. 1850-1870
Sample of Marshall's Iron used for gun barrels, manufactured at Wednesbury, 1855, communicated by S.H. Blackwell Sample of Marshall's Iron used for gun barrels 1855
Results of Messrs. Baker and Stuart's experiments on the conversion of soft iron into steel by means of carbonic oxide, 1864, manufactured by Messrs. Marshall and Mills, Wednesbury, communicated by Wm. Baker Experiment results of the conversion of soft iron into steel before 1889