Woodcut engraving depicting the production of sodium carbonate with the Leblanc process. A cross-section of a common form of decomposing furnace. Salt and sulphuric acid would be brought together at B).

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, archival, archive, carbonate, century, chemical, chemistry, cross-section, decomposing, engraving, fire, furnace, heat, historic, historical, history, leblanc, salt, sodium, sulphuric, woodcut