Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon The case also contains a

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

Regarding the company itself

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

Unless further evidence comes to light

Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon The case also contains aFor 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