Page:The castellated and domestic architecture of Scotland from the twelfth to the eighteenth century (1887) - Volume 1.djvu/380

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THIRD PERIOD 360 EDZELL CASTLE the result being that the upper corbels (which project only the same distance as the lower ones) are alone useful in carrying the parapet. The i . ? 8 . I B lower tier of corbels carries nothing, and simply forms an ornament or enrichment. This is a form of corbelling which was introduced about the end of