Y A REGENCY MAHOGANY MERCURY WHEEL BAROMETERUNSIGNED, CIRCA 1825The 8 inch circular register engraved with rococo scrolls to centre within concentric scale calibrated in barometric inches and with the ual observations within cast brass convex glazed bezel, the ebony and box edged mahogany case with hygrometer to the swan neck pediment over arched Fahrenheit scale mercury 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 Warranted Correct.97cm (38ins) high excluding finial, 25cm (10ins) wide.Provenance: The retail stock of Barometer World Meum, Merton Devon.