Another term for crown wheel.
- If the pivot guard needs to be rotated to suit a contrate wheel to one side, carefully remove the balance cock, complete with hairspring, balance wheel etc.
- Note how the balance wheels are in a horizontal position being driven by the movement train through a contrate wheel which allows for the change in position.
- The ivory contrate wheel drives the metal pinion for the ivory crown wheel.
For editors and proofreaders
Line breaks: con|trate wheel
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