Ultraviolet light. Light used to produce ultraviolet (UV) light. These lamps,also known as black light,have a violet filter material,either on the bulb or in a separate glass filter in the lamp housing,which blocks most visible light and allows through UV | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Public Health England |
Taille de l’image : | 5156 px × 3437 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |