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Title: The Bessemer process for the mass production of steel.
Caption: An 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
Image size: 5558 × 3773 px | 60.0 MB
Print size: 47.1 × 31.9 cm | 2188.2 × 1485.4 in (300 dpi)