The founder, Thomas Renshaw, was born in Eckington, Derbyshire, in about 1815. He had moved to Sheffield by the late 1830s. In 1841, he was enumerated in the Census as a cutler in Furnival Lane, living with his wife, Martha, and their sons, Thomas and William. In 1860, Thomas Renshaw & Son advertised from Milton Works in Suffolk Street as a manufacturer of pen, pocket, and sportsman’s, and rule knives, besides pencil and pen-machine knives. In 1862, the address was Excelsior Works, Suffolk S....