Puddling furnace and mechanical hammer, Krupps Works, Essen, Germany, 19th century. Pig iron is being puddled to remove carbon and oxygen, after which the ball of hot metal (bloom) was then hammered. The process was sometimes repeated. Puddling produced the purest form of iron with great strength. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Bildgröße: | 2762 px × 3795 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |