The corrugated form adopted by themis one well calculated to meet the exi-gencies of the case; for the expansionof the freezing water is yielded to gradu-ally by the spreading of the corruga-tions A, until (if so great an enlarge-ment be required) the outer or fullstretch-out circumference B, is… … This cut shows the upright pipe cor- rugated for expansion, as already ex-plained in the plan. The three holes denote the pointswhere the fastenings come which are toattach it to the wall.
Architecture
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