Y TWO MAHOGANY MERCURY WHEEL BAROMETERSB. BIANCHI, TUNBRIDGE WELLS, CIRCA 1845, THE OTHER UNSIGNED, CIRCA 1815The first with 8 inch circular register engraved with a country view with church and windmill to centre within concentric scale calibrated in barometric inches and with the ual observations within cast brass convex glazed bezel, the box wood edged case with hygrometer to the swan neck pediment over arched Fahrenheit scale spirit tube thermometer to the balter upright fitted with convex mirror within reeded bezel beneath, the rounded base with recording hand setting square above glazed spirit level inscribed B. BIANCHI, TUNBRIDGE WELLS; the second with 8 inch circular silvered register engraved with a scrolling foliage to the centre within scale calibrated in barometric inches and with the ual weather observations to outer track, set behind glazed moulded brass bezel incorporating additional recording hand to the glass, the ebony and box edged case with open triangular pediment above inlaid rosette and arch-glazed Fahrenheit scale spirit tube thermometer flanked by further conch-shell decorated paterae to the balter shaped upright, the rounded base further inlaid with a conforming rosette, (both unrestored), (2).Each approximately 97cm (38ins) high, 25cm (10ins) wide.Provenance: The reserve retail stock of Barometer World Meum, Merton Devon.B. Bianchi is recorded in Banfield, Edwin BAROMETER MAKERS & RETAILERS 1660-1900 as a clock and watch maker working in Tunbridge Wells circa 1845-77.