Glowing filament of a light bulb. The filament is made of coils of the metal tungsten,which has the highest melting point of all the metals. It glows when an electric current is passed through it | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Pasieka, Alfred |
Taille de l’image : | 4073 px × 4961 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |