Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,950 pages of information and 210,197 images on early companies, their products and the people who designed and built them.
of Blackpool, Lancashire
1938 Company founded.
1941 Private company.
1947 Company made public.
1953 A. S. Hawtin was managing director; explored potential for setting up silencer making operation in Canada
1961 Engineers, manufacturing exhaust systems for cars and commercial vehicles. 300 employees. 
1969 Acquired disused aircraft factory at Squires Gate, Blackpool, to make silencers for cars, adding to the existing 5 factories
1973 Part of Tube Investments