Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon effectively leading to the birth

effectively leading to the birth of the Admiral Fitzroy’s Storm Barometer

Regarding the company itself

Unless further evidence comes to light

The engine is comprised of a single cylinder driving a ten inch cast iron flywheel with a Watt regulator

Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon effectively leading to the birthFor sale, a Late Eighteenth Century Mahogany Stick Barometer by Gilbert of London. A simply designed yet beautifully robust example comprised of a solid mahogany backboard with domed top and base. The inset bone scale plate is engraved with weather indications to the left and and a scale to the right measuring 27 to 31 inches of barometric pressure with a sliding Vernier incorporated for fine measurement. The head of the scale is simply engraved with