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This article is largely based on an article in the out-of-copyright 11th edition of the Encyclopædia Britannica, which was produced in 1911. It should be brought up to date to reflect subsequent history or scholarship (including the references, if any). When you have completed the review, replace this notice with a simple note on this article's talk page. Thanks! |
In architecture and masonry, the term set-off is given to the horizontal line shown on a floorplan indicating a reduced wall thickness, and consequently the part of the thicker portion appears projecting before the thinner. In plinths, this is generally simply chamfered. In other parts of stonework, the set-off is generally concealed by a projecting stringer. Where, as in parapets, the upper part projects (is "proud of") the lower, the break is generally hid by a corbel watertable. The portions of buttress caps which recede one behind another are also called sets-off.
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