The Corinthian again follows closely that of Vignola as interpreted by Chambers. The column, io diameters in height including the base and capital, and the entablature height of 2.5 diameters, or one quarter of the column height, avoids the cramping of the mouldings which constrains Gibbs's 2 diameter entablature. The skeleton drawing again shows the leading dimensions and indicates the overall envelope of the capital which takes the form of an inverted, truncated cone, bounded by the short diagonal faces of the abacus at the top, and the astragal terminating the plain shaft. The cornice has a projection equal to its height of i diameter, and architrave (in three steps) and frieze are allotted 0.75 diameters each.
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