19th Century road laying. 1880 illustration of men using an asphalt (bitumen) boiler while laying a road surface. Asphalt is a highly viscous liquid or semi-solid form of petroleum. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Collection Abecasis |
Taille de l’image : | 3803 px × 2510 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |