English 18 carat gold open faced chronometer watch Circa 1803
- Kenmerk
- TD0309
- Diameter
- 58 mm
- Estimate
- € 7.500 - 15.000
- Price sold
- -
Gold pair cased chronometer watch
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A very fine pair cased pocket chronometer with spring detent escapement and sugar tongs temperature compensation, circa 1803.
An 18 carat rose gold pocket watch, case maker’s punch mark “HL”, enamel dial, roman numerals, full plate movement, chain/fusee, polished steel escape wheel, three arm steel balance.
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A very fine pair cased pocket chronometer with spring detent escapement and sugar tongs temperature compensation, circa 1803.
An 18 carat rose gold pocket watch, case maker’s punch mark “HL”, enamel dial, roman numerals, full plate movement, chain/fusee, polished steel escape wheel, three arm steel balance.
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Diameter: 58 mm
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Weight: 162 g
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Signed: Thomas Earnshaw & Robert Roskell London/ Liverpool
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The company Robert & John Roskell in Liverpool was established in 1803, when the two brothers took over the business of Robert Roskell’s father-in-law. We know that Thomas Earnshaw created movements for Roskell and that the movement of this watch – with its characteristic sugar-tong compensation curb and the spring detent chronometer escapement – was also created in Earnshaw’s workshop.
Diameter: 58 mm
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Weight: 162 g
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Signed: Thomas Earnshaw & Robert Roskell London/ Liverpool
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The company Robert & John Roskell in Liverpool was established in 1803, when the two brothers took over the business of Robert Roskell’s father-in-law. We know that Thomas Earnshaw created movements for Roskell and that the movement of this watch – with its characteristic sugar-tong compensation curb and the spring detent chronometer escapement – was also created in Earnshaw’s workshop.
Thomas Earnshaw (1749 – 1829)
He began his training in watchmaking in 1763 and from 1780 on produced watches for Brockbanks. Around 1781 he invented the spring detent escapement in his workshop which would be used essentially universally for more than 150 years. In 1794/95 Earnshaw took over William Hughes’ company in High Holborn. For his enhancements of the escapement Earnshaw is generally considered a pioneer in chronometer making. His company produced about 3000 pocket watches and about 1500 marine and pocket chronometers of the highest quality.
Signed: Thomas Earnshaw & Robert Roskell London/ Liverpool
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