A bow-front marine barometer by John Dollond

A bow-front marine barometer by John Dollond It is of slender cylindrical form with a silvered register plate enclosed by a hinged thermometer flap and mounted on a plain shaft. The brass gimbal weighted reservoir has pierced sides on the mounting. The plate engraved ‘Very dry, Set Fair, Fair, Rain, Stormy, Dolland London’. English, circa 1820.

Estimate:£3,250

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