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Auktionen Dr. Crott 91st Auction

558 557 Barraud, Cornhill, London, Movement No. 10/5342, 59 mm, 184 g, circa 1803  A pair-cased pocket watch with spring detent escapement from Barrauds “Earnshaw Series” Case: outer case - silver, polished, à goutte, inner case - silver, polished, case maker’s punch mark “TG”. Dial: enamel, radial Roman hours, auxiliary seconds, signed, numbered, gold Breguet hands. Movm.: full plate movement, keywind, frosted, gilt, chain/fusee, moulded pillars, spring detent escapement, three-arm brass balance, balance cock signed and numbered, “sugar tongs”- temperature compensation for blued balance spring, chatoned endstone on balance, chatoned sapphire endstone on escape wheel. This pocket chronometer is part of the so-called “Earnshaw Series”, a number of pocket chronometers that are very likely to have been created by Thomas Earnshaw. They are all fitted with a mechanism only Earnshaw used at the time: this number 10/5342 as well as five other known watches with the numbers 7/5227, 13/5345, 28/ 5812, 31/5815 and 32/5816 all use the so-called “sugar tongs” temperature compensation. Barraud, Cornhill 倫敦 — 雙層錶殼懷錶,附 Barraud設計”Earnshaw Serie”系列的彈簧時計擒縱 40275  C: 2 D: 2, 33 M: 2, 41  5.500 - 8.000 EUR 6.100 - 8.800 USD 49.500 - 72.000 HKD Clifford Lupton, 4 Keppel Street, Russell Square, London, Movement No. 144, 55 mm, 155 g, circa 1866  An english pocket chronometer with spring detent escapement Case: silver, polished, silver dome, case maker’s punch mark “WR”. Dial: enamel, radial Roman hours, auxiliary seconds, numbered, signed, blued “Fleur de Lys” hands. Movm.: brass full plate movement, keywind, frosted, gilt, numbered, signed, chain/fusee, chatoned ruby endstone on escape wheel, spring detent escapement according to Thomas Earnshaw, gold screw compensation balance, freesprung blued balance spring with terminal curve, fine florally engraved balance cock, chatoned diamond endstone on balance. Clifford Lupton, 4 Keppel Street, Russell Square, London 英國 — 英國懷 錶時計,附彈簧時計擒縱 40399  C: 2 D: 2 M: 2, 41  4.000 - 5.000 EUR 4.400 - 5.500 USD 36.000 - 45.000 HKD

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