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Assay and combustion furnaces at Dearborn laboratory

  • After 1890 – before 1905

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Public Domain

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Close-up view of the assay and combustion furnaces in the laboratory back room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of BetzDearborn, Incorporated best known for manufacturing water treatment chemicals for use in boilers, cooling towers, and steam locomotives.

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  • 7.5 in. H x 9.5 in. W
Subject
Rights Public Domain Mark 1.0
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  • Courtesy of Science History Institute

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Physical container
  • Box 18, Volume 1

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Cite as

Dearborn Chemical Company. “Assay and Combustion Furnaces at Dearborn Laboratory.” Album of Early Dearborn Chemical Company Facilities, 1890s-1905, n.d. BetzDearborn, Incorporated Records, Box 18, Volume 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/js956g80m.

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