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Caption:

Engraving showing 'Apparatus for the Formation of Carbonic Acid by the Combustion of Carbon in Oxygen Gas'. Illustration from 'Description de quelques appareils chimiques nouveaux ou perfectionnes de la Fondation teylerienne, et des experiences faites avec ces appareils', (Description of new chemical apparatus, or that perfected by the Teyler Foundation, and of the experiments made with the apparatus), by Martinus van Marum, published in Haarlem in 1798.