1 янв 1885 г. - Bessemer Process
Описание:
The Bessemer process was a process used in the Industrial revolution. It was invented by SIr Henry Bessemer, who's invention was named after. In the 1830s he invented a method of dating deeds and a type composing machine. Molten iron was injected with air to remove impurities, when it was perfected, it allowed a large scale of production in cheaper steal for railways, ships and guns.
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