General view of female employees at work at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. 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.
Per notations accompanying the photograph, the employees are identified as follows (left to right): 1) Marguerite O'Connor; 2) Caroline Hartman; 3) Esther Fredlund; 4) Martha Shippert; 5) Blanche Robinson; 6) Elsie Willner; 7) Ruth Bowers; 8) Mary Shields; 9) Gertrude Gordon; 10) Hildegard Hammond; 11) Hazel (Jean) Williams; 12) Unidentified; 13) Margaret Connelly; 14) Flo Whetstone; 15) Mary Marik.
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Dearborn Chemical Company. “Female Employees at Work in Dearborn Chemical Company Offices,” March 1925. BetzDearborn, Incorporated Records, Box 17, Folder 16. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/4j03d069n.
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