Explanatory notes
… dial, ratchet, click, end‑stone cap or index disc, yoke, setting lever, etc.), taper pins, clock chains, figures for … wheel, fourth wheel, balance‑wheel (cock), escapement, setting wheel, etc.). (2) Driving mechanism : mainspring, … special parts for shock‑proof devices. (7) Winding and setting mechanism : crown, winding stem and pinion, clutch …