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Format Image Remove constraint Format: Image Rights No Known Copyright Remove constraint Rights: No Known Copyright Subject Insecticides Remove constraint Subject: Insecticides Subject Chemical industry Remove constraint Subject: Chemical industry Subject Corporations Remove constraint Subject: Corporations Subject Agricultural chemistry Remove constraint Subject: Agricultural chemistry Date 1940 to 1941 Remove constraint Date: <span class='from'>1940</span> to <span class='to'>1941</span>

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    • 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…