Visit of the President of the Republic has the normal school. Experience made in the presence of Mr. Thiers in the chemistry laboratory of MM. (...) ". Besuch des Präsidenten adolphe Thiers in der École Normale; Ein Experiment im chemielabor von deville und debray (aus" universal newspaper "). Smeeton & Tilly, realization

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Keywords: ?man, apparatus, equipment, head, laboratory, president, ~