What is spring to impel the star wheel, also a pawl to lock fast a wheel, in a repeating timepiece. Baby jumper. See in the Vocabulary. -- Bounty jumper. See under Bounty called?

jumper — (Horology) spring to impel the star wheel, also a pawl to lock fast a wheel, in a repeating timepiece. Baby jumper. See in the Vocabulary. -- Bounty jumper. See under Bounty. (Webster's 1913.)

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