Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 202
Outlet Jinlet … Outlet x^ig. II. Coinmon Type of Trap. Fig. 42. Float Trap. hollow float raising the .spindle and valve, permitting water to escape,but falling and thus closing the outlet when the water level reaches apoint too low to cause the ball to float, thus preventing the escape ofsteam. Special forms of…
Architecture · Building · Carpentry
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