Rock Salt Refining salt, Northwich Cheshire, England. Brine heated with eggs and resulting scum containing impurities removed. From the Rev. Isaac Taylor Scenes of British Wealth, London, 1823. Handcoloured engraving. Editorial Stock Photo - Afloimages
Rock Salt: Refining salt, Northwich Cheshire, England. Brine heated with eggs and resulting scum containing impurities removed. From the Rev. Isaac Taylor 'Scenes of British Wealth', London, 1823. Hand-coloured engraving.