Lot 188
188
A George V brass marine stick barometer with Gold slide by Francis Darton & Co., London. Met. Ref.1542, No.M.3455, Circa 1930
VAT rate of 17.5% is payable on hammer price plus … Read more
A George V brass marine stick barometer with Gold slide by Francis Darton & Co., London. Met. Ref.1542, No.M.3455, Circa 1930

Details
A George V brass marine stick barometer with Gold slide by Francis Darton & Co., London. Met. Ref.1542, No.M.3455, Circa 1930
The cylindrical case applied with a Gold slide, with steel cistern cover, gimbal and wall mount, concealed tube, with silvered scale calibrated 870 to 1100, signed F. DARTON & CO. LTD/LONDON and BAROMETER MARINE MK2 MET.REF.1542/NO.M.3455, sliding vernier scale, with service dates 1940, 1957. 1959 and 1969; within pine box applied with paper National Physics Laboratory certificate -- 35¾in. (91cm.) high
Provenance
Sotheby's London, Good Clocks and Barometers, 3 October 1996, lot 275
Special notice
VAT rate of 17.5% is payable on hammer price plus buyer's premium.

Lot Essay

Francis Darton & Co. started in business in 1834 and are recorded at a number of premises in St John Street, London, until 1900 and later. The company continues to this day as part of Russell Scientific Instruments Ltd. (see www.russell-scientific.co.uk). The 'Gold' slide was invented in 1914 by E. Gold of the Metereological Office and is a thermometer built into a type of slide rule. It provides easy adjustment for latitude, height of cistern above mean sea level and mean index error. See Edwin Banfield Barometers, Stick or Cistern Tube, Baros Books, 1985, p.180

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