Colvern



of Spring Gardens, Romford.
1955 Public company.
1961 Manufacturers of wire-wound potentiometers and variable resistors including high-accuracy precision potentiometers. 650 employees.[1]
1973 Acquired by Royal Worcester[2]
See Also
Sources of Information
- ↑ * 1961 Dun and Bradstreet KBE
- ↑ The Times, Nov 03, 1973