Kilogram mass. Individual cylindrical block of metal with a mass of 1 kilogram | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Brookes, Andrew / National Physical Laboratory |
Taille de l’image : | 4882 px × 3661 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |