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Filter: FORMAT_DIMENSIONS of 4 x 5 inches
Filter: Subject of pest control
| Date: | 08 31 1939 |
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| Description: | Solvit Chemical Co. sign nailed across two doors numbered 107 & 105, sign says: "Keep Out, Badger 4717 — Madison, Wis., 'Poison Gas' Fumigation." |
| Date: | 10 31 1951 |
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| Description: | A masked negative showing a rat trap, Kelly's "JUNIOR" RAT CAFETERIA, by the Solvit Chemical Company of Madison. |
| Date: | 1967 |
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| Description: | Worker spraying Elm trees with DDT pumped from a tank hitched to the back of a vehicle equipped with a snow plow. |
| Date: | 07 15 1952 |
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| Description: | Dr. Karl Paul Link, professor of biochemistry at the University of Wisconsin, right, is pictured with Dr. Mohan Singh, director of food preservations for t... |
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