£ 475 $ 659 | € 551 A Georgian period mercury wheel barometer. A mahogany case with an architectural pediment and original brass central finial. Marquetry and parquetry shell inlays to the case. A long engraved silvered dial. The main dial is engraved 'G SORDELLI, LONDON'. Circa 1820. G Sordelli of 23, Baldwin Gardens Holborn, London is ...