| Aluminium potassium and copper sulphates, polarised light micrograph. Magnification: x70 when printed 10cm wide. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Gaff, Karl |
| Taille de l’image : | 5304 px × 7952 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |