£1,500 - £2,000
A good George III Mahogany bowfront Stick Barometer, signed J Ramsden, London, circa 1790, concealed mercury tube with a single silvered dial, signed, well figured trunk with urn shaped cistern cover, L 100 cm. Jesse Ramsden (b1731-d1800) is known to be one of the greatest instrument makers of all time. His outstanding invention was a dividing machine for accurate scale division and was credited with adapting the tripod as a carrying case for the mountain barometer. See Banfield (Edwin) Barometer Makers and Retailers 1660-1900, pg.179.
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