Y A FINE REGENCY MAHOGANY FLAT-TO-THE-WALL BOWFRONTED MERCURY STICK BAROMETER

Y A FINE REGENCY MAHOGANY FLAT-TO-THE-WALL BOWFRONTED MERCURY STICK BAROMETERA. and H. Fraser, London, early 19th centuryWith swan neck pediment and cavetto cornice over rectangular bow-glazed silvered Vernier scale calibrated in barometric inches with the usual observations beneath signature A. & H. Fraser, LONDON, the ebony line-edged trunk of the same bowed profile incorporating Vernier setting squares to throat over inset bow-glazed mercury tube Fahrenheit and Reaumur scale thermometer within moulded ebony surround, the base with turned half vase cistern cover flanked by ebony vertical line strung canted angles over cavetto moulded underside incorporating level adjustment screw at the base of the cistern vase.99cm (39ins) high. A. And H. Fraser are recorded in Clifton, Gloria Directory of British Scientific Instrument Makers 1550-1851 as working from 3 New Bond Street, London, in 1816.Condition Report: The tube is filled with mercury but there is an airlock in the column. The scales have a patch of discolouration towards the left hand margin otherwise are in good condition. The case is missing a 'button' to one of the swan neck pediment scrolls and a small section of ebony moulding to the left hand side of the base (beneath the cistern) otherwise instrument is in fine condition with other faults very much limited to slight age related bumps and scuffs. Condition Report Disclaimer