Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 66
ick means ofgetting ventilation, but itproduces drafts. Even when the windows or doors are closed, air comesin around the frames, where there is not a perfect fit. Thissupplies pure air and is sufficient in many cases where veryfew people use the rooms. Wind coming from one side ofthe house often… … Inside Figure 40. — Ventilation by Meansof the Open Window. 56 HEAT TRANSFERENCE in ft Air Duct to Outside shown in Figure 41. A cold air vent is made just below theradiator. As the cold air comes in, it is heated by the radia-tor and made to flow to all parts of the room by means ofconvection…
Physics
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