Two-day marine chronometer with auxiliary compensation and 56-hour power reserve indicator. Barraud, London, circa 1850.
Precision Timekeeper with 1 Complication; Barraud, Maker to the Royal Navy, 41. Cornhill, London, No. 2736, circa 1850. Fine and very rare two-day marine chronometer with auxiliary compensation and 56-hour power reserve indicator. C. Brass bowl with weighting ring and threaded glazed bezel gimbaled in three-body brass-bound mahogany box with glazed panel in the top under hinged lid with fitted catch, flush-fitted brass handles and circular mother-of-pearl plate, Breguet-type key in a corner plate, key-lock in front, gimbal ring locked by two swiveling arms pressing upwards against the base of the cylinder. D. Silvered, radial Roman hour numerals, Arabic seconds on subsidiary dial at XII o'clock, up-and-down indicator at Vo'clock, applied gilt Royal and Admiralty coat-of-arms. Gold "spade" hands. M. 81,5 mm, brass full plate, turned pillars, secured by screws, fusee and chain, Earnshaw spring-detent escapement, Earnshaw's cut bimetallic compensation balance with one wedged weight and the other carrying Lund's auxiliary compensation, blued steel helical balance spring with outer terminal curves. Signed on the dial. Dim. Height 18 cm, width and depth 17 cm.
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