Glossary
Barrel arbor
Supports the barrel and its spring. It comprises a cylinder, known as the core, and a hook to which the inner end of the mainspring is attached. The upper pivot is cut into a square for the ratchet-wheel. The arbor moves in holes, one in the plate and the other in the barrel bridge.
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Research
Research
For research into the first Rieussec chronographs, the Fondation de la Haute Horlogerie wishes to locate this piece, made between 1820 and 1830.
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