Before revision: History A finery forge was used to refine wrought iron at least by the 14 century during the Renaissance , based on the earliest archaeological specimens of cast and pig iron fined into wrought iron and steel found at the early Han Dynasty (202 BC – 220 AD) site at Tieshengguo.Pigott, Vincent C. (1999).
After revision: History A finery forge was used to refine wrought iron at least by the 3rd century BC in ancient China , based on the earliest archaeological specimens of cast and pig iron fined into wrought iron and steel found at the early Han Dynasty (202 BC – 220 AD) site at Tieshengguo.Pigott, Vincent C. (1999).