Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon The engine is comprised of

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

83 Fleet St

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with the aid of more than 130 illustrations

Late Eighteenth Century Mahogany Stick Barometer by Gilbert London black glass artifical horizon The engine is comprised ofFor 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