Charcoal furnace engine. 18th-century blowing engine for a charcoal furnace at Cornwall,Pennsylvania,USA. Dating from 1933,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 : | 5237 px × 3640 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |