7 h 59 m, 7 mar 1856 año - In 1856, The Bessemer Converter Was developed by Henry Bessemer In Hertfordshire.
Descripción:
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.Añadido al timeline:
fecha:
7 h 59 m, 7 mar 1856 año
Ahora mismo
~ 169 years ago