P A Oxley Antique Clocks & Barometers has dated this Antique Mahogany Stick Barometer to the Georgian era.
The dial displays typical weather notations and also a mercury thermometer.

The mahogany case is decorated with herringbone veneers to the central column which also displays the exposed mercury tube. The spherical and turned cistern cover to the base also incorporates a brass transportation screw.
A superb example.
P A Oxley Antique Clocks & Barometers has dated this Antique Mahogany Stick Barometer to the Georgian era.
You can view the stock and full dealer information on the P A Oxley Antique Clocks & Barometers Profile Page
P A Oxley Antique Clocks & Barometers is a registered member of LAPADA