Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 67
supply the required 3000 cubic feet, per hour, for each person. Air-duct to Outsider orced-ventilation systems use fans tomake the air move.One way is to draw theimpure air out by meansof fans, allowing thepure air to flow in totake its place. Othermethods force the pureair in, driving the im-pure… … Figure 42.— Ventilation with HeatingDevice in the Floor. RADIATION 57 Heating Room closed space in which water is kept spraying. Here the airhas most of the dust and impurities removed. Then it isforced up the pipes to the heating space, and from thereit goes to the places where it is needed. 63.…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
