Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,367 pages of information and 227,857 images on early companies, their products and the people who designed and built them.
Part of STC
1933 Company founded to manufacture American pattern valves for the British market.
1938 or so: Began to share the Foots Cray site with Kolster-Brandes, another STC company
1960 Thorn Electrical Industries acquired the Brimar cathode ray tubes and valve business from STC; Brimar Electronics was formed to allow Thorn's scientists and engineers the opportunity for developing some of their ideas .