Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (1817 total) for Iowa State University Library Photograph Collection

Three men work with scientific apparatus in the Farm Machinery Lab, 1957

Three men work with scientific apparatus in the Farm Machinery Lab, 1957

Don Hunt (left), graduate student Graeme Quick from Australia (center) and Clarence Bockhop (right) work with scientific apparatus in the Farm Machinery Lab.
Student studying the stilling basin of a chute model, 1957

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.
Agricultural engineering student using an engineer's transit, 1957

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.
Dr. Bockhop working on soil bin similitude studies, 1957

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

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.
Students observing a tractor cultivating a field, 1957

Students observing a tractor cultivating a field, 1957

Thirteen students observe someone driving a tractor and cultivating a field.
Instructor teaching a group of students about a tractor, 1957

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

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.
Students observing a large piece of agricultural equipment, 1957

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.
Students examining a silage cutter, 1957

Students examining a silage cutter, 1957

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