Date: | 04 1923 |
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Description: | Two men mixing arsenate of lead before starting out for the orchard on R.R. Roberson's farm. A man on a McCormick-Deering 15-30 tractor and sprayer is look... |
Date: | 06 1923 |
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Description: | Men using the "big sprayer" to apply pesticide to garden potatoes at R.R. Robertson's farm. |
Date: | 1915 |
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Description: | A group of students and a teacher are sitting at desks in a classroom while listening to a lesson on the dangers of house flies. Agricultural lecture chart... |
Date: | 1924 |
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Description: | A wooden fly trap standing at the back entrance to the farmhouse of Professor Perry Holden. |
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