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Bal"ance wheel` (?).

1. Horology (a)

A wheel which regulates the beats or pulses of a watch or chronometer, answering to the pendulum of a clock; -- often called simply a balance.


A ratchet-shaped scape wheel, which in some watches is acted upon by the axis of the balance wheel proper (in those watches called a balance).

2. Mach.

A wheel which imparts regularity to the movements of any engine or machine; a fly wheel.


© Webster 1913.

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