Puddling furnace and mechanical hammer (right background): Pig iron puddled to remove carbon and oxygen,ball of hot metal (bloom) then hammered. Process sometimes repeated. Purest form of iron with great strength produced. Krupps Works,Essen,Germany. Wood engraving,Leipzig,c1895 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 3566 px × 4900 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |