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Subject Insect pests Remove constraint Subject: Insect pests

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    • 1953-Mar

    General view of entomologist E.E. ("Gene") Kenaga at work in the storage room for grain insect cultures at the Dow Chemical Company's Agricultural Chemical Research and Development Laboratory. Per notations accompanying…

    • 1941-Aug

    General view of chemist Bernie Thiegs preparing an insecticide intended to combat potato beetles at the Dow Chemical Company's Agricultural Chemical Research and Development Laboratory facilities. Per an article in the…

    • 1952

    Advertisement for Hercules Powder Company's sponsorship of the National 4-H Entomology Program for 1953 with a photograph of a boll weevil killed by toxaphene.

    Originally trademarked by the Hercules Powder Company,…

    • 1949

    Advertisement for Toxaphene, a synthetic organic insecticide toxicant developed by the Hercules Powder Company primarily for use in agricultural insecticides.

    Formed in 1912 as part of an anti-trust settlement with…

    • 1949

    Advertisement for Toxaphene, a synthetic organic insecticide toxicant developed by the Hercules Powder Company primarily for use in agricultural insecticides. The advertisement details predictions for an impending…