細節
An Edwardian brass-bound mahogany two-day marine chronometer, circa 1915
Three-tier box with recessed side handles and replaced signature plaque, brass bowl and gimbal, 10 cm. diameter silvered Roman dial, 56-hour up/down ring, signed A. Johannsen & Co./MAKERS TO THE ADMIRALTY,/THE INDIAN GOV.T & ROYAL NAVIES OF/Italy, Spain & Portugal./149 Minories London., with government mark and number 7918 to the centre of the subsidiary seconds ring, blued steel hands, chain fusee with Earnshaw type escapement, cut bimetallic balance with Mercer's auxiliary and helical balance spring, spot-finished plates with repeat number and government mark to the top plate -- 7¼ in. (18.5 cm.) square, the box