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Two students determining the depth of a trench on a drainage model, 1957

Agricultural engineers Kent Mitchell (left) and Gerald Hollander work out the relationship between the depth of trench and height if target on a tile drainage model.

Students examining a silage cutter, 1957

In the Power and Machinery Lab, students examine a silage cutter.

Students observing a large piece of agricultural equipment, 1957

In the Power and Machinery Lab, a group of students observe a large piece of Papec agricultural equipment.

Dr. Bockhop and students observing a tillage system with a model tractor, 1957

Dr. Clarence Bockhop (left) and two students observe a plain tillage linkage system with a model tractor.

Instructor teaching a group of students about a tractor, 1957

An instructor explains the front mechanics of a tractor to six students in a laboratory with five other tractors.

Students observing a tractor cultivating a field, 1957

Thirteen students observe someone driving a tractor and cultivating a field.

Four students studying a tractor equipped with a seed spreader, 1957

Four students study a piece of farm equipment, a tractor equipped with a seed spreader.

Dr. Bockhop working on soil bin similitude studies, 1957

Dr. Clarence Bockhop experiments with grading sand in the soil bin using scale model implements and similitude principles to study soil-tool interaction.

Agricultural engineering student using an engineer's transit, 1957

Agricultural engineering student Kent Mitchell uses an engineer's transit in soil and water conservation work.

Student studying the stilling basin of a chute model, 1957

Bob Davis studies the stilling basin of a chute model which is used in soil erosion control.

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