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of Llansamlet, near Swansea, spelter refiners
c.1873 Company established.
1876 The Swansea Vale works were the first smelter to be built in Britain primarily for the production of zinc metal.
1913 The works were gutted by fire; 4000 retorts were destroyed.
1914 At the outbreak of war, the company was in German hands. A businessman with interests in a large zinc deposit in Burma, was entrusted with the task of buying control of the Swansea Vale works which was then being reconstructed.
1920 Works closed due to low prices and a strike at the works.
1921 National wage settlement; Swansea Vale, the largest in the country, began heating its furnaces.
1925 The Swansea Vale Spelter Works at Llansamlet wer making considerable extensions in the roasting and acid departments. This work was part of a scheme under consideration for modernising the whole of the plant with a view to meeting foreign competition. The production of the roasting and acid departments were enlarged and the whole of the processes overhauled and improved.