A two day marine chronometer by Thomas Mercer of St. Albans, England, circa 1950.

Serial number: 19116.

4 inch dial, Roman numerals, subsidiary skeletonised seconds dial, and power reserve dial.

Hinged two tier glazed case, with brass fittings, gimble mount, with tipsy key.

Baize lined deck box.

Chromometer: 19.5 x 20 x 16.5 cm.

Deck box: 23.5 x 29 x 22 cm.

Thomas Mercer Ltd, Makers of Clocks and  Chronometers, established in 1858, Islington, London. Moved to St. Albans in 1874.

Literature: Mercer Chronometers. Tony Mercer, 1978.