Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 182
boiler pres-sure to the top of the trap. Being ata higher level the water flows by grav-ity into the boiler, through the pipe E.Water and steam are kept from passingout through D by the check A. ^Yhen the trap has emptied it-self, the weight of the ball raises itto the original position, which… … Fig ,. 120. Automatic Float-OperatedPump Governor Used insteadof a Receiver.
Architecture · Building · Carpentry
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