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Skeletonising

Professions

Jewelling

In another unit the last complex and delicate operation on the plates and bridges - the jewelling, or setting of rubies - takes place. In use since 1902, these rubies have four functions: positioning the gear trains on the plates and the bridges; reducing friction; prolonging the piece’s lifetime; and serving as oil reservoirs for lubrication.

Metiers Empierrage 1
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Assembly

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