Pencil and sharpener,X-ray. This rubber-tipped pencil is sharpened using the pencil sharpener next to it. The X-ray has revealed the graphite core (dark). This core is surrounded by a cladding of wood | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gustoimages |
Taille de l’image : | 3902 px × 4500 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |