Oregrounds iron
Oregrounds iron was the best iron made in the 18th century. It was made in the Swedish city of Öregrund. Oregrounds iron is made by making pig iron in a blast furnace, then refining the pig iron in a finery forge.
Oregrounds iron was the best iron made in the 18th century. It was made in the Swedish city of Öregrund. Oregrounds iron is made by making pig iron in a blast furnace, then refining the pig iron in a finery forge.