A George III inlaid mahogany wheel barometer, by James Gatty, late 18th century, with hygrometer dial over an alcohol thermometer and barometer with eight inch silvered register calibrated in barometric inches, signed James Gatty Fecit to centre, with blued glass hand, the glass with brass setting pointer, within moulded wooden bezel with three lines of barber's pole stringing, the mahogany case with round top and barber’s pole stringing to edges, inlaid with three six-pointed star inlaid motifs and two shell paterae, approx