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pinwheel escapement

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noun
a clock escapement in which two pallets, usually of unequal length, alternately engage and release pins set on the escape wheel perpendicular to its plane of rotation.
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Origin of pinwheel escapement

First recorded in 1880–85

Words nearby pinwheel escapement

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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