拍品专文
The banking block with attached detent may be a replacement for a detent, the depthing of which would have been controlled by a screw set in the outside edge of the top plate.
Various Properties
A POCKET CHRONOMETER
细节
A POCKET CHRONOMETER
John Arnold, No. 1859
the white enamel dial (slight damage) signed and numbered Arnold 1859, hour chapter with Roman numerals, within outer minute chapter with five minute intermarkers, subsidiary seconds (at VI), blued steel hands, gilded movement, the top plate inscribed Jn. R. Arnold, London, Invt et Fecit No. 1859, cut bimetallic Arnold 'Z' balance with four tangential heat compensation weights, blued steel helical balance spring, dovetail detent to side of banking block, jewelled locking stone, silver consular case London 180 ??
John Arnold, No. 1859
the white enamel dial (slight damage) signed and numbered Arnold 1859, hour chapter with Roman numerals, within outer minute chapter with five minute intermarkers, subsidiary seconds (at VI), blued steel hands, gilded movement, the top plate inscribed Jn. R. Arnold, London, Invt et Fecit No. 1859, cut bimetallic Arnold 'Z' balance with four tangential heat compensation weights, blued steel helical balance spring, dovetail detent to side of banking block, jewelled locking stone, silver consular case London 180 ??