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Description
Figure 59. Dittmar device for measuring carbon dioxide in sea water. Thisdevice was used by William Dittmar, then professor at Anderson's College inGlasgow for analyzing sea water collected by the CHALLENGER expedition. Thisinstrument is a variant of the apparatus designed by Alexander Classen and usedby Hercules Tornoe on the Norwegian North Atlantic Expedition. (Image credit: Oceanographic Museum of Monaco | Y. Berard)