This is a confusing business to trace, because in directories ‘Dickinson’ was sometimes spelled as ‘Dickenson’ and ‘Rollisson’ as ‘Rollison’. The partnership was launched by 1818 as a cutlery dealer, factor, and table knife manufacturer in Sheffield (Pea Croft) and Birmingham. An advertisement appeared in the Sheffield General & Commercial Directory (1821) with an elephant trade mark (picture). John Dickenson, Steel Bank, was one partner; Charles Rol....