Good double-barred verge movement, circa 1775.
Fullplate fusee movement with nicely engraved cock and slide plate, the train unusually with a bar on both ends of the 3rd and contrate wheels. Verge escapement. Steel balance, spiral balance-spring. Beautiful Roman & Arabic enamel dial in perfect condition. 38.5 mm diameter, 15.5 mm deep, not including centre arbor..
William Allam, then working in Fleet St London, free of the Clockmakers' Company in 1743 and known as a fine watch and clock maker with examples in many museums.
NB: Double-barred movements are not common and are a sign of good design and finishing - see Thomas Hatton An Introduction to the Mechanical Part of Clock and Watch Work, 1773
In good clean condition, especially the lovely dial, a good example of top London work of the period. Nothing broken and will tick happily.
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