1 янв 1856 г. - Bessemer Process
Описание:
(Henry Bessemer) The use of a blast of hot air to purify molten iron and converted it into steel. This made it easier to produce mass amounts of steel, so the price was low.Добавлено на ленту времени:
Дата:
1 янв 1856 г.
Сейчас
~ 169 г назад