Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 139,004 pages of information and 225,313 images on early companies, their products and the people who designed and built them.
William Spencer and Son Ltd. of Kingston Steel Works, Neepsend, Sheffield.
1937 File manufacturers. "Half-Moon 'N'" Spencer Files and Rasps.
1967 W. Spencer was one of the larger makers of high speed and tool steels not subject to nationalisation