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Photograph

Professor Karl Paul Link and Dr. Mohan Singh

Date: 07 15 1952
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...
Photograph

Spraying Fruit Trees

Date: 09 20 1924
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...
Photograph

Pesticide Sprayer

Date: 06 29 1939
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...
Photograph

Orchard Sprayer

Date: 07 15 1929
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 ...
Photograph

Mixing Pesticide for Orchard

Date: 1920
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...
Photograph

Farm Orchard Sprayer, Baskets and Apples

Date: 08 1923
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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