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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 3566 px × 4900 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |