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An instrument for detecting and measuring the amount of carbon which is present, or more esp. the amount of carbon dioxide, by its action on limewater or by other means.

An instrument for detecting and measuring the amount of carbon which is present, or more esp. the amount of carbon dioxide, by its action on limewater or by other means.

An apparatus for determining amounts of carbon dioxid in the air of an enclosed space by the precipitation of calcium carbonate from lime water. [Lat.]