Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 134,035 pages of information and 213,123 images on early companies, their products and the people who designed and built them.
of High Wycombe, Bucks
1946 Private company established to contain A. C. Cossor's thermionic valve operations, which had been concentrated in one unit after the end of the War. This subsidiary was entitled Electronic Tubes.
1947 Patent on improvements in cathode ray tubes.
Maker of Emitron cathode ray tubes
1958 Patent on improvements in electron guns.
1961 Manufacturers of cathode-ray tubes. 500 employees.
1963 Patent on improvements in circuits for cathode ray tubes.