Made by William Clement of London for King's College, Cambridge, this iron clock was in use from 1671 until 1817. In 1819 it underwent considerable restoration by Thomas Safford, a Cambridge clockmaker, and was transferred to St Giles' Church in Cambridge. It is signed on one of the top bars: 'GULIELMUS CLEMENT LONDINI FECIT 1671' (William Clement of London made me in 1671). The timekeeping is controlled by a pendulum through a so-called 'anchor' escapement. Clement was one of the posible inventors of the anchor escapement, which could be used with a smaller arc of swing for the pendulum than the verge escapement which preceded it.
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