A George III mahogany mercury tube stick barometer, Lincoln, London, circa 1800 With open triangular pediment over rectangular glazed silvered brass Vernier scale calibrated in barometric inches and with the usual observations beneath engraved signature Lincoln, London to upper right margin opposing spirit Fahrenheit scale thermometer to left hand side, set behind hinged glazed door with convex lower angles over chevron line edged caddy moulded trunk incorporating visible tube, the rounded base with domed cistern cover, 97cm (38.25ins) high excluding finial. A Charles Lincoln is recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as working from 11 Cornhill, London in 1763 then at 62 Leadenhall Street from 1791 until his death in 1807.