7 ч 59 мин, 7 март 1856 г. - In 1856, The Bessemer Converter Was developed by Henry Bessemer In Hertfordshire.
Описание:
He invented a large converter shaped like a pear and used a blast of air for the de-carbonisation process to create steel from iron. Steel cost lowered, increasing the popularity of steel.Добавлено на ленту времени:
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7 ч 59 мин, 7 март 1856 г.
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~ 169 г назад