Thomas Mercer, no. 651 The rectangular case on adjustable ebony bun feet, glazed sides, the front with parallel line brass inlay, glazed top set with spirit level (damaged), the circular silvered dial signed Thomas Mercer St. Albans ENG No. 651, well sculpted blued steel hands, subsidiary seconds and up-and-down ring, stop/start lever between chapters XII and I, the movement of typical format with gilt baluster double-screwed pillars securing the thick brass spotted plates with single chain fusee, the spotted platform with Earnshaw -type spring detent escapement with cut bimetallic compensated balance with segmental heat compensation weight and palladium/steel helical balance spring.with original brass tipsy winding key 11.5 in (29 cm) in height
