Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 147
ovided. Connections should bemade with the water supply bothat the boiler and at the expansiontank, the former to be used whenfirst filling the system, as by thismeans all air is driven from the bot-tom upward and is dischargedthrough the vent at the expansiontank. Water that is added after-w^ard… … Fig. 91. rooMsysrfAA A Common Form of Galvanized-Iroii Expansion Tank. VCNT PI PC
Architecture · Building · Carpentry
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