John Poncione - London. Early 19th Century inlaid mahogany Stick Barometer. [6121]

Fine quality, early 19th Century inlaid mahogany Stick Barometer; the break-arch pediment over well engraved silvered brass register plate, signed by the maker and bearing faded alcohol Fahrenheit thermometer and manually operated vernier; the glazed door chequer strung, over trunk, edge moulded, herringbone veneered, chevron banded and with original barometer syphon tube terminating within turned cistern cover.