Price Guide to Antiques & Collectables
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Chronometers and watches by Thomas Earnshaw, 18th century

Thomas Earnshaw (1749 – 1829 )was a British clock and watch maker who was a renowned inventor and craftsman, known for his contributions to the development of the marine chronometer, used for navigation at sea.

Earnshaw is credited with standardizing the design of the marine chronometer, making it a more reliable and accurate instrument for navigation. He also developed a process for hardening the balance springs used in chronometers, which made them more durable and resistant to temperature changes.

In addition to his work on marine chronometers, Earnshaw was also known for his high-quality pocket watches. He was known for his attention to detail and his use of innovative technologies, and his watches were highly sought after by collectors and connoisseurs.

Earnshaw's contributions to the field of horology were widely recognized during his lifetime, and he was awarded several patents for his innovations. Today, he is remembered as one more... of the most important figures in the history of clock and watch making, and his legacy continues to influence the field of horology. less...

4 items found.
A rare silver pocket chronometer, maker John Arnold and Son…
Rare Silver Pocket Chronometer by John Arnold & Son, Circa 1795

A rare silver pocket chronometer, maker John Arnold and Son English Circa 1795 1.73 in. diameter, 2.09 in. case diameter, 2.64 in. case hight. A rare silver pocket chronometer, maker John Arnold and Son. English Circa 1795. Silver consular watch case, the…

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A Thomas Earnshaw gold and enamel pair case verge watch, gilt…
Thomas Earnshaw Gold and Enamel Verge Watch

A Thomas Earnshaw gold and enamel pair case verge watch, gilt fullplate movement with fusee, engraved and pierced balance bridge cock. Verge escapement. Smooth doric columns. The fullplate signed Thos Earnshaw London, with serial number 3210. The enamel di

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A black slate mantle clock, made by Earnshaw, London
Earnshaw London Black Slate Mantle Clock

A black slate mantle clock, made by Earnshaw, London

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A 'Herschell / B' skeleton clock, with a detent escapement, a…
Herschell/B Skeleton Clock with Detent Escapement and Large Balance Wheel

A 'Herschell / B' skeleton clock, with a detent escapement, a large chronometer-type balance wheel after the English maker Thomas Earnshaw; a silvered chapter ring with one-year calendar markings and zodiac periods (indicated by a third hand), fourteen day

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