Puddling furnace, 19th century illustration. Puddling is the process of refining pig iron to wrought iron through the removal of carbon and oxygen. This results in a more pure and stronger metal. From A travers l'industrie by Paul Poire, Paris (1897). | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Collection Abecasis |
Taille de l’image : | 2950 px × 3555 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |