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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 Pine oil Remove constraint Subject: Pine oil Date 1940 to 1941 Remove constraint Date: <span class='from'>1940</span> to <span class='to'>1941</span>

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    • 1940

    Advertisement for various naval stores products, including Yarmor 302 Pine Oil and D.H.S. Activator, manufactured and sold by the Hercules Powder Company for use as raw materials in the formulation of insecticides and…

    • 1940

    Advertisement for Yarmor, a trademarked name for pine oil manufactured and sold by the Hercules Powder Company to increase the effectiveness and reduce the manufacturing costs of cattle spray insecticides. This…