The firm dated its establishment from 1820. The founder was John Sellers (c.1793-1855). Little is known about his early life, except that he was born at Norton, Derbyshire. The baptism of John Sellors (sic) at Ashford, Derbyshire, on 26 May 1793, may be relevant: if so, his parents were Richard and Bridget. John Sellers did not appear in Sheffield directories until 1833, when he was making pen-knife blades in Rockingham Street. He was enumerated as a cutler in the Census (1841) at Rockingham Street, where h....