Lynde, Carleton John, b. 1872 · New York : Macmillan · leaf 128
Fig. 79. — Convection currentsbetween hot and cold rooms. MOVEMENT OF HEAT. HEAT APPLIANCES 113 enters above the fire and passes up the chimney. Fresh airis then forced in from outside to take the place of this air, … •SteB/72 or hat water Fig. 80. — One method of ventilating a house. and thus the room is ventilated. The grate and grate stoveprovide excellent ventilation. One method of bringing fresh air into the house is illustratedin Fig. 80. Cold air from outside is heated by steam or hot-water pipes and is…
Physics · Home Economics
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