* Steelmaking (honorable mention) 386－557 AD China, Northern Wei Dynasty (1 янв 368 г. – 1 янв 557 г.)
Описание:
The first famous metallurgist in ancient China is Qiwu Huaiwen of the Northern Wei Dynasty (386－557 AD), who invented the process of using wrought iron and cast iron to make steel.Invented: Independently
Добавлено на ленту времени:
Дата:
1 янв 368 г.
1 янв 557 г.
~ 189 years