Walker & Hall was established by George Walker (1816-1881), a Derbyshire-born table-knife forger. Walker had learned electro-plating in Birmingham at the behest of the first Sheffield licensee of the process, John Harrison. George Walker later quarrelled with Harrison and joined forces with a Doncaster schoolteacher, Samuel Coulson, and William Robson. Coulson supplied the capital and they began an electro-plate venture at Electro Works, Howard Street, after taking out a license from Elkington of Birmin....