File:Four de grillage de Gjers.png

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Français : Four de grillage du minerai de fer. Modèle de John Gjers. Il s'agit d'une variante du four utilisé dans en Haute-Silésie, doté d'un cône inférieur pour faciliter l'extraction du minerai grillé.
English: Iron ore roasting kiln. John Gjers model. This is a variant of the kiln used in the Province of Upper Silesia, with a lower cone to control roasted ore extraction.
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Source Manuel de la métallurgie du fer, tome 1, p. 262
Author Adolf Ledebur (1837-1906)
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current20:26, 9 June 2013Thumbnail for version as of 20:26, 9 June 2013522 × 702 (208 KB)Borvan53 (talk | contribs)User created page with UploadWizard

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