A mahogany marine two day chronometer, no. 2601, Adams of the Datefirm Widerham And Adams, Lombard Street, London, circa 1870, 8.5 cm silvered dial with subsidiary seconds and up/down dials, fusee movement with maintaining power, Earnshaw's spring detent escapement, compensation balance and helical spring, the brass bowl gimbal-mounted in a mahogany case, lid lacking, with ivory plaque and swing handles