A form of escapement in clocks and watches in which the teeth of the crown wheel or balance wheel act on the pallets by recoil.
- Beginning his experiments around 1658 he had made two significant steps by 1660, namely the use of a balance controlled by a spiral spring and an improved escapement called the anchor escapement.
- But by the middle of the seventeenth century, pendulum clocks with an anchor escapement were being manufactured that were accurate to within ten seconds per day.
- In another decade, the anchor escapement was perfected by William Clement.
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