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Creator Dearborn Chemical Company Remove constraint Creator: Dearborn Chemical Company Format Image Remove constraint Format: Image Rights No Known Copyright Remove constraint Rights: No Known Copyright Subject Chemical industry Remove constraint Subject: Chemical industry

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    • 1920s

    General view of an unidentified employee analyzing an unidentified substance at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. A microscope and water quality test kit are…

    • 1920s

    General view of employee Al Herman analyzing an unidentified substance at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Assorted scientific apparatus and laboratory glassware…

    • 1920s

    General view of an unidentified employee at work in the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. A variety of titration equipment and other scientific apparatus are visible on…

    • circa 1924

    General view of an unidentified employee at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of…

    • circa 1924

    General view of several unidentified employees packing materials for shipment at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company…

    • circa 1924

    General view of two unidentified employees at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of…

    • circa 1924

    General view of several unidentified employees filling barrels at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a corporate…

    • circa 1924

    General view of several unidentified employees at work in the barrel storage area at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical…

    • circa 1924

    General view of the exterior of the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant, with view of several large storage tanks. Founded in 1887, the Dearborn Chemical Company was a…

    • circa 1924

    General view of an extraction rack in use at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. The employee visible in the photograph is identified as A. Sherwood. Per notations…

    • circa 1924

    General view of a work bench in the factory control work area of the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. The employee visible in the photograph is identified as W.…

    • circa 1924

    General view of the exterior of the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant, with view of several large storage tanks. Founded in 1887, the Dearborn Chemical Company was a…

    • circa 1924

    General view of several unidentified employees at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor…

    • circa 1924

    General view of an unidentified employee at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of…

    • circa 1924

    General view of an unidentified employee at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of…

    • circa 1924

    General view of an unidentified employee at work in a store room at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant, with view of assorted barrels and other containers. Founded in…

    • circa 1924

    General view of two unidentified employees at work in a machine room at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a…

    • circa 1924

    General view of employee Anton H.R. Noreen conducting an analysis of coal samples at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. Founded in 1887, the…

    • circa 1924

    General view of employee Anton H.R. Noreen preparing samples for testing at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. Founded in 1887, the Dearborn…

    • circa 1924

    General view of employee C.C. Dennis using a mortar and pestle to crush specimens for use at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. Founded in…

    • circa 1924

    General view of several unidentified employees at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor…

    • circa 1924

    General view of assorted water samples sent to the Dearborn Chemical Company's 35th Street Laboratory for analysis. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of BetzDearborn, Incorporated…

    • 1924

    General view of an unidentified female laboratory technician preparing a water sample for analysis at the Dearborn Chemical Company's 35th Street Laboratory. Founded in 1887, the Dearborn Chemical Company was a…

    • circa 1924

    General view of the Receiving Room at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. The employee visible in the photograph is identified as Genevieve Work. Per notations…

    • circa 1924

    General view of balances in use at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. The employee visible in the photograph are identified as Charles S. White (left) and C.C.…