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Straight Line Lever
That form of a lever escapement in which the escape wheel arbor, pallet and balance staff are all planted in a straight line, as in Fig. 266.
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.
Home › S › Straight Line Lever
That form of a lever escapement in which the escape wheel arbor, pallet and balance staff are all planted in a straight line, as in Fig. 266.