Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 252
TRANSMISSION OF HEAT. 243 Fig. 189 shows a system of heating and ventilatingrooms in which a number of persons are required toremain for a considerable time. The air comes fromthe outside through the fresh air opening into thefresh air room, passes over the furnace, is heated, and … /sy/////. Fio. 189. ascends through the warm air tube into the rooms.After circulating through a room and heating it, theair passes through vents in the wall into foul air spacesunder the floor and down through a duct into the foul airgathering room. From this it is taken to the outside of 244…
Physics
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