Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 90
e. If air should collect inthe valve, and .the metal stripbecome cool, it would contract,and the spindle would drop andallow the air to escape through B as before. Eis an adjusting nut. F is a float attached to the spindle,and is supposed, in case of a sudden rushof* water with the air, to rise and… … Uww^oeAydW^/:^/^- Fig. 43. Radiator Automatic Air-Valve. Operated hy Metal Strip D. Consisting of Two Pieces of Metal of Unequal Expansive Power.
Architecture · Building · Carpentry
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