Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,265 pages of information and 220,098 images on early companies, their products and the people who designed and built them.
of Jericho Steel and File Works, Sheffield
See M. and J. Wing
1922 Products.— "Dominant" high-speed tool steel, all classes automobile and mining steels, "Wings" best quality files and rasps.