Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 162
the system clearly. HEATING AND VENTILATION 135 Note that from the condensing radiator, the airenters an air-trap which permits it to escape,but which closes against the flow of steam andwater. The air from the trap is dischargedthrough a vacuum valve having a perforatedbottom and placed in a… … Fig. 106. Dunhajn Radiator Air-Trap. The Dunham plan calls for the use of a sys-tem of flow and return piping without theaddition of air-valves. On the return end ofeach radiator is placed an apphance called aradiator air-trap, as illustrated in Fig. 106, thedevice possessing the attributes and…
Architecture · Building
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