An allegory of chemistry Size:S: 60 x 45cm A hand appears holding the

A hand appears holding the letter A

on the site of the new Coal Exchange

The sitter is shown at half-length with long

Landscape showing the eastern prospect from the old Royal Observatory building (now known as Flamsteed House) at Greenwich

An allegory of chemistry Size:S: 60 x 45cm A hand appears holding theAllegorical plate showing Gaia [?] offering a vessel to Hermes, who carries keys and holds aloft a caduceus. The vessel is inscribed 'Influentia' [influence]. Between them is the Earth, inscribed 'Ne Frustra' [not in vain]. Both gods stand on a cloudscape with the Moon and Sun behind. Frontispiece to A treatise for the service of chemistry in general; exhibiting the universal and specific principles of body; the simple and uniform procedure of nature