1900s 'How the terrific heat in a blast-furnace is maintained' - Steelworks diagram of a blast-furnace.

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Children's Encyclopaedia from early 1900s.

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Size: 3160px × 2523px
Photo credit: © Michelle Bridges / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 1900s, blast-furnace, blast-furnace., diagram, education, fire, heat, history, iron, learning, maintained, molten, ore, social, steel, steelworks, terrific