Lead chamber for production of sulphuric acid, 1866. Also known as Oil of Vitriol or H2S04, sulphuric acid was one of the most important industrial chemicals. Sulphur is being burned in an open hearth at O and the vapour is seen passing under and over lead curtains. B is the boiler supplying the chamber with steam. From Cyclopaedia of Useful Arts by Charles Tomlinson. (London, 1866). (Photo by Oxford Science Archive/Print Collector/Getty Images)
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January 29th, 2021
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