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Traduction automatique:
Plan and elevation of a blast furnace, showing the blowing engine, water blast regulator, and the tuyeres supplying the blast to the furnace. The introduction of coke in place of charcoal made the need for greater draughts imperative, and it was only the application of Watt's steam engine that finally ousted charcoal. Dated 19th century
Crédit: Album / Universal Images Group / Universal History Archive
Taille de l'image: 5100 × 3051 px | 44.5 MB
Taille d'impression: 43.2 × 25.8 cm | 2007.9 × 1201.2 in (300 dpi)