Castell Locks
From Graces Guide
of Kingsbury Works, Kingsbury Road, London.(1970s)
1922 Established by James Harry Castell.
1921-37 James Harry Castell filed patents on locks and related subjects from various addresses in central London
1939 James Harry Castell (b.1880) was a supplier of patent locks (engineer), who lived in Pinner[1]
1971 Subsidiary of Power Equipment Co Ltd when it was acquired by Halma Investments.[2]
1977 Advertised for a design director; the company made mechanical interlocks, which were used for industrial safety purposes[3]
See Also
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