Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 41
The radiator is placed in position, as fordirect heating, but the air supply is taken from outdoors. Theradiator base is enclosed and a double damper T regulates theamount of air that comes from the outside. When the insidedamper is closed and the outside damper is open, as is shown inthe drawing,…
Heating · Lighting · Plumbing
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