James Johnson, a razor manufacturer, may have been born on 20 April 1803, the son of Samuel (a cutler) and Lydia. In 1833, he was listed in Fitzwilliam Street. In 1837, he offered £20 for information, because he had discovered that ‘one or more persons have imitated his name, mark, number and label, and by foisting on the market a worthless article, at inferior prices, have injured his credit’ (Sheffield Independent, 14 October 1837). Samuel Parker Hall was one offender (Sheffield Independent, 4 December 18....