Determination of silica at Dearborn laboratory facility
- 1934-Mar-16
Close-up view of employee A.R. Sherwood at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. A row of Bunsen burners are visible on the work bench. Per notations accompanying the photograph, Sherwood is determining the amount of silica in Dearborn's regular scheme of water analysis.
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 and cooling towers.
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Cite as
Dearborn Chemical Company. “Determination of Silica at Dearborn Laboratory Facility,” March 16, 1934. BetzDearborn, Incorporated Records, Box 17, Folder 14. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/nk322f27v.
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