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| View Original: | Welsh roasting kiln.png (216x209) | |||
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| Keywords: Welsh roasting kiln.png fr Four de grillage du minerai de fer utilisé dans le sud du Pays de Galles Il mesure 15 à 18 pieds de haut 20 pieds de long 8à 9 pieds de largeur au sommet et 2 pieds de large à la base Il est alimenté en haut par des wagons de chemin de fer qui le chargent alternativement en coke et en minerai en Iron ore roasting kiln used in South Wales It mesures 15 to 18 feet high 20 feet long 8 to 9 feet wide at top and 2 feet wide at the base It is feeded by a railroad supported on pillars over which the loaded wagons pass and deliver their contents into the kiln in alternate layers of ore and fuel 1914 https //archive org/details/principlesofmeta00hioruoft Principles of metallurgy p 132 Arthur Horseman Hiorns 1849-1920 other versions PD-old-70-1923 Roasting kilns | ||||
