Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 135
re the expansion of the rod opens the valve and admitswater from the street pressure through the pipes C and D into thechamber E. The bottom of E consists of a rubber diaphragm,which is forced down by the water-pressure and carries with it thelever which operates the dampers as shown, and checks… … Fig. 81. Cast-iron Heater Not Made in Sections. Water Fills Ci-oss-Pipes and Space between Outer and Inner Shells. 106
Architecture · Building · Carpentry
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