London Zinc Mills
of Brimsdown, Enfield
c.1835 Company founded[1]
1854: Mention 10 Aug.-1 Sep.[2]
c.1885 Became jointly owned by Frederick Braby and Co, of London and Glasgow, and the Vieille Montagne Zinc Co of Belgium[3]
1935 Moved to Enfield site on amalgamation with Enfield Rolling Mills. Incorporation of London Zinc Mills (1935) Ltd.
1968 Hazelett machine for casting of zinc installed [4]
1971 Became Delta Metal Electrical (Holdings) Ltd
1979 Delta Metal Electrical (Holdings) Ltd became Delta Electrical (Holdings) Ltd
1988 Delta Electrical (Holdings) Ltd became Delta Circuit Protection and Controls Ltd