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of Brymbo, near Wrexham.
1883-4 John Henry Darby designed and erected basic open hearth steel-making plant at Brymbo, the first in Britain on a commercial scale.
1884 The company was registered in 4 June. 
By 1891 was referred to as Brymbo Steel and Ingot Co
c.1931 The works closed
1933 After several years when the company was treated as having zero value in Baldwins' accounts, a receiver was appointed for the company
1936 The Brymbo Steel Co Ltd was removed from the register
1937 Brymbo Steel Co responded to Lord Nuffield's criticism of the high price of British steel
1940 Installed new electric furnace melting shop and planned to blow-in the blast furnace for making basic pig iron
1942 A blowing engine was installed by Richardsons, Westgarth and Co