Abbott's American Watchmaker and Jeweler

How to true a balance, repair a chipped dial, temper a spring or test a stone — the working bench-book of the American watch trade, arranged A to Z.

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Unlocking Resistance

The resistance opposed to unlocking by the adhesion between the locking faces of the pallets and the tips or the escape wheel teeth, and in the case of lever pallets by the draw of the locking faces.

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