1898 sir henry bessemer , english metallurgist and inventor of an economical process for converting cast iron into steel in 1856 , died at the age of 85 1856年发明酸性底转炉经济炼钢法的英国冶金学家亨利?贝西麦爵士逝世，终年85岁。
During the nineteenth century further advances were made , notably bessemer ' s process for converting iron into steel , which made the material more commercially feasible 回复：在19世纪有了更大进展，其中最突出的是柏赛麦氏制钢法的发明，炼铁成钢，更具商业价值。
Pass splendid specimens of anglo norman architecture , pass pedestrians and pederasts , open hearth furnaces , basic bessemer mills , dynamos and transformers , pig iron castings and steel ingots 机车经过盎格鲁-诺曼式建筑的堂皇标本，经过了步行者和男同性恋者、露天冶炼炉、使用贝塞麦法的磨坊、发电机和变压器、生铁块和钢锭。
