Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 31
Figure 11. — Photograph of anAluminum Double Boiler. 20 HEAT AND HEAT MEASUREMENT Distillation is used to refine other substances, such asalcohol and turpentine. But in these cases the substancehas to be distilled several times, and the process is thencalled fractional distillation. In the case of… … Figure 12. — Diagram of a Simple Distillation System. being kept at the boiling point of alcohol, which is belowthe boiling point of water. The alcohol vapor is driven off,but with it a little water evaporates. When this is con-densed again, it still contains some water. This new liquidis again…
Physics
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