Stock No. | Exhibit No.44 |
Case | The later plain silver inner and outer cases, inner case hallmarked for London 1805 and stamped with the maker’s mark D.W, for Daniel Walker of Clerkenwell Close. |
Dial | The fine original enamel dial has Roman hours inside the division ring with gold ‘arrow’ hour hand and a ‘poker’ minute hand. Signed for Jessop, Southampton Street Strand, London above the centre. The subsidiary Arabic seconds ring set at VI with a fine blued steel counterbalanced seconds hand. The dial reverse,2signed by the enameller Weston, probably William Weston of Smithfield. |
Movement | The finely engraved gilt full plate movement with turned pillars, punchmarked for Wright’s Patent (only in use in 1783/4), and signed for Jessop, Southampton Street, London. Earnshaw’s spring detent escapement with pierced foliate and mask engraved balance cock, large diamond endstone, gilt-brass three-armed balance, the conforming engraved top plate inset with a silvered regulation dial and gold hand. The gilt-metal dust cover further signed for Jessop, London. |
Duration | 30 hour |
Provenance | The Time Museum, Rockford, Illinois, USA, inventory no.4127; |
Literature | Anthony Randall, The Time Museum Catalogue of Marine Chronometers, exhibit no.52 |
Escapement | Earnshaw’s spring detent |
Dimensions | Diameter 56mm |
Thomas Earnshaw for Josias Jessop, London. Circa 1783
An historically interesting and important George III pocket chronometer with Wright’s patent punchmark, retailed by Josias Jessop, in a later silver pair case
£35,000
Additional information
Dimensions | 5827373 cm |
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