London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 378
e defect willoccur throughout every floor to the top, unless, being dis-covered, measures be taken to remedy it. The footing of brick walls, especially the lowest part of it,should not be formed of less than double courses, lest it bebroken off by the superincumbent weight; neither should… … for instance, two courses 2^ bricks thick, and one course 2 bricks thick, will usually be found sufficient footing. Fig. 123. repre-sents the section of such a wall, standing on a concrete foundation formed within a trench, the sides of which are pared down inwards, so as slightly to increase the…
Architecture
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