Twentieth Century Electronics Limited 1945 - 1978
- occupation:
- Manufacturer of Geiger-Müller tubes,
- Manufacturer of cathode ray tubes,
- Manufacturer of optic and radiation sensors
- Nationality:
- British
- born in:
- Kent, England, United Kingdom
1945 - manufacturer of cathode ray tubes and radiation and optical sensing equipment; founded by Gilbert Tomes and Alec Tidmarsh;
1949 - became limited company in 1949 with Tomes as sole owner;
1953 - moved to Croydon, pioneering work in neutron detectors;
1978 - company name changed to Centronic Ltd;
early 1990s - ceased manufacture of photomultipliers, cathode ray tubes and mass spectormeters;
2000 - management buyout
