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Drawn with the sketchbook inverted, and continued on folio 21 verso (D10369), for which see catalogue note. This half of Turner’s double-spread includes a Martello Tower on the left, which Turner omitted from the watercolour based on the drawing (National Museum of Wales, Cardiff)1 and engraved by Edward Goodall in 1824 for Picturesque Views on the Southern Coast of England. As noted under D10369, this was only one of a number of very imaginative changes to the foreground in the watercolour.
Wilton 1979, pp.353–4 no.471.