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Digital Collections

Photographs, Stereographs

Apparatus for blowing coat of lime on moving pig moulds after use

  • After 1895

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Public Domain

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View of an apparatus for applying a coat of lime onto molds filled with pig iron, an intermediate product of smelting iron ore produced from a blast furnace, at an unknown manufacturing plant. When processing iron ore into steel, lime forms a highly basic slag, a stony waste matter that is separated in order to refine or purify the iron ore. This photograph is one of a set of fourteen stereographs detailing the production of iron and steel by various processes.

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Extent
  • 7 in. W x 3 in. H
Subject
Rights Public Domain Mark 1.0
Credit line
  • Courtesy of Science History Institute

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“Apparatus for Blowing Coat of Lime on Moving Pig Moulds after Use.” Underwood & Underwood, n.d. Underwood & Underwood Stereographs of Manufacturing Industries. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/zw12z529z.

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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.