An English brass lantern clock, William Gray, London, the dome top above a pierced brass plate, the dial with a single hand and brass numeral ring, signed William Gray- London. The 30 hour movement with short bob verge escapement, 46 cm high, 15 cm wide, 15 cm deep
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- Verge Escapement - A verge escapement is an early mechanical escapement used in clocks and other timekeeping devices. It is an early form of the escapement mechanism, which is used to regulate the movement of the hands of a clock or watch. The verge escapement consists of a vertical shaft called the verge, which is mounted on the clock's main plate. Attached to the verge are two pallets, which engage with the teeth of the escape wheel. As the escape wheel turns, the pallets alternately lock and release it, allowing the movement of the clock to be regulated. The verge escapement was widely used in early mechanical clocks, but it was eventually replaced by the more accurate and reliable anchor escapement.
- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
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