Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 153
Fig. 101. Radiator Valve forHot-Water Work, 119 no HEATING AND VENTILATION chamber, which allwvvs the air to escape. As tlie water flows in to takeits place, the float is forced upward and the valve is closed. All radiators which are supplied by risers from below, should be provided with air-valves…
Architecture · Building · Carpentry
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