A mahogany two day marine chronometer, no. 988, Widenham, London, circa 1830, 8 cm silvered dial with subsidiary seconds dial, fusee movement with maintaining power, Earnshaw's spring detent escapement with compensation balance and helical spring, brass bowl gimbal-mounted in a three tier mahogany case with carrying handles and ivory plaque, signed dial and movement, the case 15.5 cm high