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    • 1941-Aug

    General view of two employees at work in a Dow Chemical Company Agricultural Chemical Research and Development Laboratory facility. Per an article in the August 1941 edition of the Dow Diamond, the department was…

    • 1941-Aug

    General view of the central corridor of a greenhouse associated with the Dow Chemical Company's Agricultural Chemical Research and Development Laboratory. Per an article in the August 1941 edition of the Dow Diamond,

    • circa 1953

    General view of plant pathologists Richard Gruenhagen (left) and Jack Hardy (right) at work in the Dow Chemical Company's Agricultural Research Laboratory in Seal Beach, California.

    • 1952

    General view of plant pathologists at work in a greenhouse located at the Dow Chemical Company's Agricultural Research Laboratory in Seal Beach, California. Per notations accompanying the photograph, the pathologists…

    • 1952

    General view of employees using a field sprayer to test agricultural chemicals at the Dow Chemical Company's Agricultural Research Laboratory facilities in Seal Beach, California.

    • 1952

    General view of potted plants housed in a greenhouse located at the Dow Chemical Company's Agricultural Research Laboratory in Seal Beach, California. Per notations accompanying the photograph, the photo was taken to…

    • 1930-Jan-08

    Close-up view of a sterile culture of small phanerogams, also known as spermatophytes or seed plants, at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The…

    • 1930-Jan-08

    Close-up view of an alsike clover plant at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Notably, the root of the plant is growing from the pedicel (i.e. the stem…