Following on from Bernard's reference to the Government's encouragement in World War II, a manufacturing plant was set up in c1941/2 at Nicholson's Pit, East Rainton, Tyne & Wear, to make Sulphuric acid from the 'brasses' in the coal obtained from Lambton D Pit, Lumley 6th Pit and also one or two of the nearby pits. The brasses were in fact iron pyrites.
Alan Vickers.
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