An engraving depicting an English rotating furnace for the manufacture of sodium carbonate by the Leblanc process, named after its inventor, Nicolas Leblanc. Nicolas Leblanc (1742-1806) a French chemist and surgeon. Dated 19th century
An engraving depicting an English rotating furnace for the manufacture of sodium carbonate by the Leblanc process, named after its inventor, Nicolas Leblanc. Nicolas Leblanc (1742-1806) a French chemist and surgeon. Dated 19th century
Crédito: Album / Universal Images Group / Universal History Archive