Lot Essay
George Margetts, an eminent London chronometer maker, was born 1748 and died 1804. From 1785-1804 he was in business at 21 King Street, Cheapside.
Details
A GEORGE III EIGHT-DAY MANTEL MARINE CHRONOMETER
Margetts, No. 168, movement circa 1795, case circa 1815
The white enamel dial signed and numbered Margetts EIGHT DAYS TIMEKEEPER 168, Roman hour numerals within outer minute chapters with Arabic five minute intermarkers, subsidiary seconds dial intersecting hour chapter (at VI), blued steel hands, full-plate movement with four typical Margetts steel balustrade pillars, fusee with Harrison's maintaining power, wheels with six arm crossings, Earnshaw escapement, set within the plates the cut bimetallic balance with very small segmental heat compensation weights, bright steel helical balance spring, large twenty teeth escape wheel, spring foot detent with jewelled locking stone, in brass drum case, the back with scallop-plate inscribed Wind up to the Left hand Once a Week, now on ebonised brass-lined plinth base with gilt brass ball feet
133 mm. bezel diam., 295 mm. high
Margetts, No. 168, movement circa 1795, case circa 1815
The white enamel dial signed and numbered Margetts EIGHT DAYS TIMEKEEPER 168, Roman hour numerals within outer minute chapters with Arabic five minute intermarkers, subsidiary seconds dial intersecting hour chapter (at VI), blued steel hands, full-plate movement with four typical Margetts steel balustrade pillars, fusee with Harrison's maintaining power, wheels with six arm crossings, Earnshaw escapement, set within the plates the cut bimetallic balance with very small segmental heat compensation weights, bright steel helical balance spring, large twenty teeth escape wheel, spring foot detent with jewelled locking stone, in brass drum case, the back with scallop-plate inscribed Wind up to the Left hand Once a Week, now on ebonised brass-lined plinth base with gilt brass ball feet
133 mm. bezel diam., 295 mm. high