Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,095 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of Imperial Works, Hamilton, Lanarkshire
1912 Private company.
1937 Bolt, nut and screw manufacturers. 
1961 Nut, bolt and rivet manufacturers and merchants.