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George Jamison, London
GOLD POCKET CHRONOMETER WITH THERMOMETER MADE 1802/3
Dial: white enamel, subsidiary thermometer dial at 12, subsidiary seconds at 6
Movement: gilt, full plate, spring detent escapement, jewelled to the fusee, free-sprung blued steel helical spring, diamond endstone, cut bi-metallic balance with keystone-shaped moveable weights and timing screws, signed Geo. Jamison, Charing Cross, London
Case: heavy gold case, stamped TH for Thomas Hardy, and with London Hallmark for 1802
Dimensions: 58.5mm diameter


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相關資料

George Jamison was in partnership with William Howells and Paul Philip Barraud between May 1796 and February 1799.

Jonathan Betts, The Marine Chronometers at Greenwich, p.206-207

With thanks to Jonathan Betts for his help with this watch.

Watches

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倫敦