This business advertised in a Sheffield directory (1868) as a manufacturer of razors, table cutlery, and butchers’ knives at Boston Works, Milton Street. It was ‘successor to the late Samuel Lawton, Eyre Street’ – apparently Samuel Lawton. Boston Works did not prosper and by 1869 the factory and its tools had been sold. By 1870, the steam power at Boston Works was to let and eventually the workshops were occupied by William Shirley. Identifying the John Nicholson involved is....