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Lot 79
A fine and very rare early 19th century one day marine chronometer with 'O-U' balance John Roger Arnold, London, number 314
11 December 2019, 14:00 GMT
London, New Bond StreetSold for £10,687.50 inc. premium
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A fine and very rare early 19th century one day marine chronometer with 'O-U' balance
John Roger Arnold, London, number 314
The case:
the two tier case with hinged sliding section in the lid to allow sight of the dial, the lower section set with a pair of side handles and a fan-shaped brass escutcheon (with key), the interior of the case lined with green felt, with corner ledge for the key (non-tipsy), the single gimbal locked via a screw and bracket, the straight-edged bowl with chamfered weighted rim applied to the underside, with sprung winding shutter.
The dial:
signed and numbered 3 inch silvered dial with outer minute track of dots and triangles, blued steel hands, signed in the centre Arnold, London and numbered inside the subsidiary seconds dial. Protected by a domed glass held in a turned bezel secured via three bayonet lugs.
The movement:
Of one day duration. Signed on the top plate John R. Arnold, London, Inv et Fecit No. 314, blued steel helical balance spring with diamond endstone and freesprung 'O-U' balance to an Arnold detent escapement, the chain fusee with Harrison's maintaining power. The case 17cms (6.5ins) wide
The case:
the two tier case with hinged sliding section in the lid to allow sight of the dial, the lower section set with a pair of side handles and a fan-shaped brass escutcheon (with key), the interior of the case lined with green felt, with corner ledge for the key (non-tipsy), the single gimbal locked via a screw and bracket, the straight-edged bowl with chamfered weighted rim applied to the underside, with sprung winding shutter.
The dial:
signed and numbered 3 inch silvered dial with outer minute track of dots and triangles, blued steel hands, signed in the centre Arnold, London and numbered inside the subsidiary seconds dial. Protected by a domed glass held in a turned bezel secured via three bayonet lugs.
The movement:
Of one day duration. Signed on the top plate John R. Arnold, London, Inv et Fecit No. 314, blued steel helical balance spring with diamond endstone and freesprung 'O-U' balance to an Arnold detent escapement, the chain fusee with Harrison's maintaining power. The case 17cms (6.5ins) wide
Footnotes
Provenance: Property from the Mark and Peter Dineley Collections
Comparable literature:
Mercer, T. (1972) John Arnold & Son chronometer Makers, 1762-1843. Kent: The Antiquarian Horological Society.