A George III mahogany and inlaid banjo barometer, by C. Gerletti, Glasgow, early 19th century, the mahogany and boxwood line inlaid case with shell and floral paterae, the thermometer on arched silvered register above circular silvered dial calibrated in barometric inches, signed to dial, 99cm high Please note Roseberys do not guarantee the working condition of barometers offered for sale. Please note that this barometer contains mercury This lot contains liquid mercury. If you intend to ship this overseas it is classified as hazardous cargo and will require additional declarations alongside specialist crating/packing. Prior to bidding, please contact your shipper or talk to our specialists for more information.