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Department Archives Remove constraint Department: Archives Genre Photographs Remove constraint Genre: Photographs Subject Scientific apparatus and instruments Remove constraint Subject: Scientific apparatus and instruments

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    • circa 1900

    General view of chemist Ernest Arnold Congdon (right) in the chemistry laboratory at the Drexel Institute of Art, Science, and Industry (later Drexel University) in Philadelphia. Several laboratory stations with…

    • after 1901 – 1928

    General view of an employee in the Bureau of Chemistry's Water and Beverage Laboratory conducting an analysis on an unidentified substance. Assorted sample jars and scientific apparatus are visible in the photograph.…

    • 1901 – before 1928

    General view of three employees at work in the Bureau of Chemistry's Naval Stores Investigation Laboratory, a division of the Leather and Paper Laboratory. Assorted laboratory glassware and apparatus, as well as notices…

    • 1901 – before 1928

    General view of two employees at work in an Agricultural Research Service Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…

    • 1901 – before 1928

    General view of two employees at work in a Bureau of Chemistry Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…

    • 1901 – before 1928

    General view of an employee conducting an analysis of an unidentified substance in the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted…

    • 1901 – before 1928

    General view of an employee conducting an analysis of an unidentified substance in the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted…

    • 1901 – before 1928

    General view of the Bureau of Chemistry's Nitrogen Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted investigations into…

    • 1901 – before 1928

    General view of an employee operating an apparatus used to study ammonia at the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted investigations…

    • 1901 – before 1928

    General view of two employees working in the Bureau of Chemistry's Oil, Fat, and Wax Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Oil, Fat, and…

    • 1901 – before 1928

    General view of an employee utilizing an apparatus in the Bureau of Chemistry's Dust Laboratory. Part of the U.S. Department of Agriculture's Office of Development Work, the Dust Laboratory conducted research into the…

    • circa 1905

    General view of a portion of the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of furnaces, assorted balances, and…

    • circa 1905

    General view of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and scientific…

    • circa 1905

    Close-up view of assorted scientific instruments, including microscopes and balances, used at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago,…

    • circa 1905

    General view of a section of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and…

    • circa 1905

    Close-up view of two balances used 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…

    • circa 1905

    General view of a section of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and…

    • circa 1905

    Close-up view of assorted scientific instruments used at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois. Founded in 1887, the…

    • circa 1905

    General view of a section of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and…

    • circa 1905

    Close-up view of scientific apparatus used 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…

    • circa 1905

    General view of employees at work in the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois. The employees are identified…

    • circa 1905

    Album containing 25 photographs depicting early facilities associated with Dearborn Drug and Chemical Works (later Dearborn Chemical Company) in Atlantic City, New Jersey and Chicago, Illinois. Founded in 1887, the…

    • circa 1905

    Close-up view of scientific apparatus used 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…

    • 1910

    General view of two unidentified individuals seated at a laboratory bench in the so-called "chemistry room" at Park College (later Park University) located in Parkville, Missouri. Assorted laboratory glassware,…

    • 1913 – before 1928

    Close-up view of a polarimeter housed in a constant temperature dark room at the Bureau of Chemistry's Carbohydrate Laboratory. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the…