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Title: The Bessemer process for the mass production of steel.
Caption: Engraving depicting the Bessemer process for the mass production of steel from molten pig iron before the development of the open hearth furnace. Named after Henry Bessemer (1813-1898) an English inventor. Dated 19th century.
Credit: Album / Universal Images Group / Universal History Archive \ UIG
Image size: 5437 × 3857 px | 60.0 MB
Print size: 46.0 × 32.7 cm | 2140.6 × 1518.5 in (300 dpi)