A mahogany eight day marine chronometer
Thomas Mercer, no. 1295, mid 20th century
The silvered dial signed "Thomas Mercer, maker to the Admiralty St. Albans. No. 1295, Greenwich chronometer" with typical Roman chapters and blued steel spade hands, subsidiary seconds ring and 8-day winding indicator, the movement with spotted plates and composed of two sub-assemblies, the main assembly carrying the chain fusee and barrel and centre wheel, the subsidiary carriage with Earnshaw-type spring detent escapement with cut bimetallic compensated balance and steel/palladium helical balance spring, the plates numbered 1295N, similarly numbered brass bowl, in a brass-bound three-tier mahogany box
10 cm diam. of dial
- The printed catalog illustration is incorrectly labeled lot 70.