Castell Locks
of Kingsbury Works, Kingsbury Road, London.
1922 Established by James Harry Castell.
1971 Subsidiary of Power Equipment Co Ltd when it was acquired by Halma Investments.
1977 Advertised for a design director; the company made mechanical interlocks, which were used for industrial safety purposes[1]
See Also
Sources of Information
- ↑ The Times Dec. 2, 1977