A George III inlaid mahogany mercury wheel barometer

A George III inlaid mahogany mercury wheel barometer Negretty and Company, London, early 19th century With open triangular pediment, parquetry strung cornice and marquetry rosette to top over triple-line strung baluster outline upright applied with arch-glazed Fahrenheit scale alcohol thermometer flanked by oval foliate motifs, the 8 inch sunburst centred circular silvered register signed Negretty & Co. Fecit, LONDON to centre within concentric scale annotated in barometric inches with the usual observations to circumference and generous glazed cast brass bezel, the rounded base with further marquetry rosette , 97cm (38.25ins) high excluding finial. Provenance: Private collection, Hampshire (ref. B111); purchased at Woolley and Wallis, Salisbury, 8th January 2002 (lot 367) for £750 hammer. The firm of Negretty and Company are recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as working in London circa 1820-40.