Laboratory test of Weevils fed with toxic compounds in United States. Test glass containers with sand flooring, sprig of tender cotton plant moistened and poisoned. Chemists moisten the sprigs. They put poison on the sprigs. They examine the Weevils and keep a record of the Weevil. Dead Weevils picked and the poison is washed away. Man smokes cigar and picks the dead Weevils. A dead Weevil on a table.
Laboratory test of Weevils fed with toxic compounds, Weevils examined at Edgewood Arsenal in United States. Man smokes cigar and inspects the plants. Plant toxicity test to note the effect of poison on plant. Man examines a poisoned Weevil. He notes down the results. Test tubes on table. Man tests the compounds and Weevils in the test tubes. A cotton farm.
Pests destroy crops and other plants in United States. Close view of Brown Tail, Gypsy Moths, Japanese and the Mexican Bean Beetles.
Aerial views of the sprawling Ford Motor Company plant at River Rouge in Dearborn,Michigan. Views of smoke rising from tall chimneys. Ships at the harbor.
Ford River Rogue plant in Dearborn, Michigan. Interior views of production unit and workers operating heavy pressing machines, body shaping machines, and placing component parts for body tops on assembly line.
A man works at a heavy pressing machine at the Ford River Rouge facility in Dearborn,Michigan. Machine presses sheet metal. Man removes a piece of the car body from the press.
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