英语词汇“contrate wheel”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

contrate wheel

/ˈkɒntreɪt

noun

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.

Origin

Late 17th century: contrate (a rare adjective meaning 'opposed, contrary') from medieval Latin contrata 'lying opposite', from Latin contra 'against'.

单词	contrate wheel
释义	contrate wheel /ˈkɒntreɪt / noun 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. Origin Late 17th century: contrate (a rare adjective meaning 'opposed, contrary') from medieval Latin contrata 'lying opposite', from Latin contra 'against'.
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