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This rapid drawing indicates figures and perhaps part of the interior structure of the marquee erected over the coffer-dam around the site of the southernmost pier of the new London Bridge, for the foundation stone ceremony held on the riverbed on 15 June 1825. The accompanying notes are largely illegible; towards the top may be ‘myr’, signifying the Lord Mayor of London, John Garratt.
This is one of a sequence of hurried sketches, apparently made in the course of the ceremony, working backwards through the book between folios 78 verso (D18818) and 71 verso (D18804). The event and other studies relating to it at the beginning and end of this sketchbook are discussed in the Introduction.