Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 65
WaterMain Figure 38. — Diagram of a Hot-water Heating System. convection currents are set up through the pipes, causinghot water to flow through the radiators. The expansion tank is to protect the pipes from bursting.If there were no place for the water to go when the fire isstarted, the expansion… … Figure 39. — A Hot-water Heating System Installed. 62. Ventilation. — Ventilation is the supplying of pureair and the removing of impure air from rooms andbuildings. VENTILATION 55 It is estimated that every person should have 3000 cubicfeet of pure air per hour. There are two distinct types…
Physics
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