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... |
Date: | 09 20 1924 |
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Description: | A man stands on a platform made of wood while using a sprayer to apply pesticide to a grove of fruit trees. Another man stands on the back, and another man... |
Date: | 06 29 1939 |
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Description: | Four men use a 150 gallon sprayer and a McCormick-Deering 10-20 tractor to apply pesticide to an orchard. The photograph was taken in Markham, Ontario, Can... |
Date: | 07 15 1929 |
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Description: | A man drives a McCormick-Deering 10-20(?) tractor through an orchard as another man stands on an orchard sprayer while applying what is probably pesticide ... |
Date: | 1920 |
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Description: | Three men in an orchard mixing up chemicals to spray the trees. One of the men is on the back of a horse-drawn wagon with a barrel. The other two men are s... |
Date: | 08 1923 |
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Description: | Apples in baskets in front of a "farm orcharding sprayer" at R.R. Robertson's. Farm buildings are in the background. On the left is a grinding wheel powere... |
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