Castell Locks: Difference between revisions
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of Kingsbury Works, Kingsbury Road, London. | of Kingsbury Works, Kingsbury Road, London.(1970s) | ||
1922 Established by James Harry Castell. | 1922 Established by James Harry Castell. | ||
1971 Subsidiary of [[Power Equipment Co]] Ltd when it was acquired by [[Halma|Halma Investments]]. | 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<ref>1939 register</ref> | |||
1971 Subsidiary of [[Power Equipment Co]] Ltd when it was acquired by [[Halma|Halma Investments]].<ref>The Times Mar. 9, 1973</ref> | |||
1977 Advertised for a design director; the company made mechanical interlocks, which were used for industrial safety purposes<ref>The Times Dec. 2, 1977</ref> | 1977 Advertised for a design director; the company made mechanical interlocks, which were used for industrial safety purposes<ref>The Times Dec. 2, 1977</ref> | ||
Latest revision as of 07:49, 14 August 2023
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]
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