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- Josiah Marshall Heath (died 1851) was an English metallurgist, businessman and ornithologist, who invented the use of manganese to deoxidise steel. In India he learned the local steelmaking processes, including wootz, but having failed to found a profitable steel mill there he returned to England and settled in Sheffield. His patent kick-started Sheffield's steel industry, but the poor wording of his patent caused competitors not to pay him royalties, and he died in poverty. (en)
- Josiah Marshall Heath (1795 ? - 1851) est un métallurgiste anglais qui a mis au point l'addition de manganèse pour désoxyder l'acier. Après une tentative avortée de monter une industrie sidérurgique en Inde, où il découvre également les procédés locaux, dont la fabrication du wootz, il retourne en Angleterre et s'installe à Sheffield. Ses brevets sont à l'origine de l'expansion de la métallurgie de cette ville, mais ses inventions sont contestées et il meurt dans la pauvreté en 1851. (fr)
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- 10598 (xsd:nonNegativeInteger)
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- Use of manganese for crucible steel (en)
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- Josiah Marshall Heath (en)
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- Josiah Marshall Heath (died 1851) was an English metallurgist, businessman and ornithologist, who invented the use of manganese to deoxidise steel. In India he learned the local steelmaking processes, including wootz, but having failed to found a profitable steel mill there he returned to England and settled in Sheffield. His patent kick-started Sheffield's steel industry, but the poor wording of his patent caused competitors not to pay him royalties, and he died in poverty. (en)
- Josiah Marshall Heath (1795 ? - 1851) est un métallurgiste anglais qui a mis au point l'addition de manganèse pour désoxyder l'acier. Après une tentative avortée de monter une industrie sidérurgique en Inde, où il découvre également les procédés locaux, dont la fabrication du wootz, il retourne en Angleterre et s'installe à Sheffield. Ses brevets sont à l'origine de l'expansion de la métallurgie de cette ville, mais ses inventions sont contestées et il meurt dans la pauvreté en 1851. (fr)
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- Josiah Marshall Heath (fr)
- Josiah Marshall Heath (en)
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- Josiah Marshall Heath (en)
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