Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 60
n only 1600 cu. ft., \ of theair must flow out. \ of 128 lb. = 64 lb., wt. of air which remains in the chimney. Now, since an equal volume of air on the outside weighs 128 lb.,and inside it weighs 64 lb., the cold air outside pushes up on thewarm air inside with a force of 64 lb. This shows… … Figure 33. — Draft in a Kitchen Range. goes up to the fire-box. Here it becomes hot and, with thesmoke, passes up over the oven, down at the end and under
Physics
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