TY - MANSCPT DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: Public Domain Mark 1.0 TI - 100-ton capacity ladle of liquid steel from open hearth furnace pouring into ladle ID - x920fw85p PB - Underwood & Underwood AV - Underwood & Underwood Stereographs of Manufacturing Industries VL - Underwood & Underwood Stereographs of Manufacturing Industries AN - Underwood & Underwood Stereographs of Manufacturing Industries UR - https://digital.sciencehistory.org/works/x920fw85p AB - View of a 100-ton capacity ladle of liquid steel removed from an open hearth furnace at an unknown manufacturing plant. Open hearth furnaces are used to burn excess carbon and other impurities out of pig iron, an intermediate product of smelting iron ore, to produce steel. This photograph is one of a set of fourteen stereographs detailing the production of iron and steel by various processes. KW - Iron industry and trade KW - Steel industry and trade KW - Manufacturing industries KW - Open-hearth furnaces LA - ER -