Claude Louis, Comte Berthollet (1748-1822) French chemist who assisted Lavoisier. Worked on dyes and chlorine for bleaching for the textile industry. Engraving from "Les Merveilles de l'Industrie" by Louis Figuier (Paris, c1870).

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Photo credit: © Photo12/Ann Ronan Picture Library / Alamy / Afripics
License: Licensed
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Keywords: 19th, century, chemistry, engraving, france, french, man, portrait, science, scientist