Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 615
Fig. 416. a scmd-bath, or, when water is used in the place of sand, a toater-bath. Another form of distillatory apparatus is represented inPig 416. Here the neck of the retort is connected with what is50 &90 CHEMICAL PHYSICS. usually termed a Liebigs condenser. It consists of a tubeof glass,… … Fig. 417. mon still, Pig. 417, a large copper boiler supplies the place ofthe retort, and the vapor is condensed in a spiral tube of cop-per, called a worm, which is kept immersed in a tank of coldwater. Since the boiling-point of a liquid is reduced in proportion asthe atmospheric pressure is…
Matter · Heat
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