Half-elevation of a dome with a 24-bay peristyle on a two-stage lower drum

WRE/5/1/8

c.1690–91

Sir Christopher (1632–1723) Wren, Unidentified draughtsman associated with west end and dome (fl. c.1685–91)

Pen and brown ink over pencil under-drawing with some pencil shading and amendments; black chalk on reverse. Thick smooth laid paper; several vertical cuts near left edge, repaired with tissue on reverse; triangular section of gable cut out at bottom, left centre. 43.3 x 34.9 cm. Countermark: IHS surmounted by a cross, over CDG

{\rtf1\ansi\ansicpg1252\deff0\deflang2057{\fonttbl{\f0\fswiss\fprq2\fcharset0 Microsoft Sans Serif;}{\f1\fswiss\fprq2\fcharset0 System;}} {\colortbl ;\red0\green0\blue128;} \viewkind4\uc1\pard\cf1\f0\fs20 Half-elevation and half-profile of the dome, developed from the section on the left side of WRE/5/1/7. Drawn in ink by the unidentified draughtsman associated with the west end and dome (fl. c.1685-91); some pencil drawing by Wren. Datable c.1690-91. Implied scale, 20 ft to 1 inch.\par \par The design increases the height of the outer podium of WRE/5/1/7, lengthens the scroll-buttresses, places windows at both levels in alternate bays and adds a lantern with a 12-column drum that carries an elongated pineapple motif at its crown. The podium is drawn in eighth-plan on WRE/5/1/1 (iv).\par \par \b Reverse:\par \par \b0 Sketch in black chalk of the masonry construction of a single pendentive of the dome, showing the arch voussoirs, some masonry infill and the horizontal coursing at the base of the drum.\cf0\b\f1\par }

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