Blast furnace. This furnace is operated by the Trumbull Cliffs Furnace Company,Warren,Ohio,USA. Dating from around 1920,this photograph (originally taken by Pollock Engineering) is part of the Albert T. Keller collection of the American Iron and Steel Institute. The collection consists of historical photographs of blast furnaces used in the iron and steel industry. A blast furnace is where iron ore is heated to high temperatures in the presence of oxygen,with the carbon content controlled to produce types of steel (an alloy of iron and carbon) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hagley Museum And Archive |
Taille de l’image : | 3898 px × 2840 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |