Engraving of portrait of Davies Gilbert (1767-1839) by Henry Howard. Gilbert (formerly Giddy) was an applied mathematician, administrator, MP and President of the Royal Society (1827-30). As an MP he dealt with legislation concerning many issues including the Nautical Almanac, the Board of Longitude, and the establishment of an astronomical observatory at the Cape of Good Hope.

This line, stipple and crayon-manner engraving is India-laid.