For use in any reaction where there is a change in volume. Described in Experiments in Physical Chemistry, Shoemaker & Garland, 1962, by McGraw-Hill Book Company, Inc. Experiment 27. Capacity of bath is 75mL, bulb 50mL, with capillary tube graduated from 0.0cm at bottom to 15.0cm at top. I.D. of capillary is 0.6mm. Stopcock is 2mm bore