Ellis Crossley (1845-1916) was born at Salford, Greater Manchester, the son of William Crossley (a joiner) and his wife, Sarah.Advertisements cited an establishment date of 1860, though this may refer to Ellis’s arrival in Sheffield or the start of his apprenticeship as a file cutter (the Census, 1861, recorded him living in Solly Street with the family of Aaron Simpson, a file cutter). Not until the late 1880s did Ellis Crossley describe himself as a file manufacturer. His first works address was Broomspring Lane (bac....