Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon Unless further evidence comes to

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

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

The case also contains a further trade label to the Victorian London instrument makers

Regarding the company itself

Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon Unless further evidence comes toFor 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