Blast furnace. This is Eagle Furnace,Curtin,Pennsylvania,USA. Built 1817 and operated by four generations of the Curtin family,it was still in use in 1921. It was the last cold blast charcoal iron furnace to operate in Pennsylvania. Dating from around 1900,this photograph is from 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 : | 5136 px × 3515 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |