Mercer Chronometers: History, Maintenance and Repair

Condition: Fine in Near Fine dust jacket. Tight, square binding; clean text block; no foxing, clipping, or previous owner markings noted. Pages: 239pp, illustrated with over 300 b&w photographs, diagrams and exploded drawings Description: A history of the firm of Thomas Mercer Ltd, makers of marine chronometers, clocks, instruments and measuring equipment in Clerkenwell and St Albans, 1858–1984. Covers the firm's rise through the Kew Observatory chronometer trials, the craftsmen who worked there, and detailed chapters on chronometer maintenance, repair and rating. Includes a photographic survey of historic chronometers restored by the firm (including Harrison's H1 and H3), a chapter on balance design, and appendices listing Mercer and Kullberg serial numbers. Now out of print.