False-colour SEM of the crown wheel of a
Numéro d’image : 11821608
| False-colour scanning electron micrograph of the crown wheel of a Swiss-made,17-jewel INCABLOC watch. The crown wheel is part of the watch's winding mechanism. When the watch is wound,the winding pinion (small gear wheel seen edge-on at bottom) rotates,meshing with the crown wheel. The rotation of the crown wheel causes the ratchet wheel at top left to turn,& this wheel is attached to the barrel which holds the mainspring of the watch. The mechanism is clean; the tiny dust particles would not affect its function. The absence of screwdriver marks in the crown wheel's slot shows that the assembly has never been serviced. Magnification: x4 at 6x4.5cm size | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 4800 px × 3680 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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