The Longitude at the Eve of the Third...
Geneva, Hotel Des Bergues, Oct 23, 1999
William Smith, London, H. Morton Invented,circa 1770.A rare, possibly unique centre seconds timekeeper of historical interest for use on board ship, mounted in a solid block of teak inset with a plaque inscribed "Sir John Franklin - Ships Clock from the North West Passage 1845-1847 - Mounted in a log of teak from H.M.S. Hindustan, a man-of-war, built entirely of wood, 1854".
C. Brass cylinder bowl within a rectangular solid piece of teak, hinged brass bezel. D. Brass with sunk centre, Roman numerals and outer Arabic minute ring. Pierced Louis XV blued steel hands. M. Brass circular with cylindrical pillars, fusee with chain and unusual maintaining power, Harrison type dead-beat verge escapement, brass three-arm balance, flat blued steel balance spring. Unusual brass "petal" pierced balance-bridge in the manner of Harrisons H5 and the Mudge copies.Signed on the dial.Dial diam. 25 cm.Dim. 40 x 30 x 12 cm.
Grading System | |
---|---|
Grade: AA |
Very good |
Case: 4 |
Fair |
Movement: * 4 - 5 |
|
Dial: 4 - 5 - 24 |