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Thos. Earnshaw. A pocket chronometer movement with sugar-tongs regulation in a silver case

SIGNED THOS. EARNSHAW, INVET ET FECIT, NO. 800/3384. HALLMARK 1803

Details

Thos. Earnshaw. A pocket chronometer movement with sugar-tongs regulation in a silver case
Signed Thos. Earnshaw, invet et fecit, No. 800/3384. Hallmark 1803
The frosted gilt chain fusee movement with engraved cock, ruby endstone, flat steel three-armed balance, bimetallic sugar tongs regulation, Earnshaw's chronometer detent escapement, white enamel dial with Roman numerals, large subsidiary seconds, gold spade hands, in (later) silver inner and outer cases
49 mm. diam.

Special notice

VAT rate of 5% is payable on hammer price plus buyer's premium.

Lot Essay

ALBERT ODMARK NOTES
Purchased Sotheby's London, 11 January 1984, lot 163.

Thomas Earnshaw was an eminent watchmaker and known particularly for his work on chronometer escapements, in particular his rivalry with John Arnold, who he claimed, plagiarised his design for the chronometer escapement.

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