Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (3649 total)

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

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.
Student learning electronic principles in the Agricultural Engineering Laboratory, 1957

Student learning electronic principles in the Agricultural Engineering Laboratory, 1957

Bill Waters, agricultural engineering senior, learns electronic principles in the laboratory. An oscilloscope, and recording and indicating instruments, are used to show the characteristics of the circuits.
John Teeter demonstrating an engineer's level, 1957

John Teeter demonstrating an engineer's level, 1957

Agricultural engineer John Teeter uses an engineer's level in soil and water conservation work.
Students working at large desks in the Drafting Lab, 1957.

Students working at large desks in the Drafting Lab, 1957.

Students work at large desks in the Drafting Lab.
Professor showing three students the inner mechanics of a John Deere tractor, 1957

Professor showing three students the inner mechanics of a John Deere tractor, 1957

A professor shows three students the mechanics of a John Deere tractor that has been flipped open to show the inside.
Student taking notes on refrigeration experiment, 1957

Student taking notes on refrigeration experiment, 1957

John Hermnson, agricultural engineering senior, takes notes on a refrigeration experiment. Instruments record temperatures and electrical information, which will be used in the engineering report.
Periodical Room (Reference and Reading Room) seen from above, 1955

Periodical Room (Reference and Reading Room) seen from above, 1955

The Reference and Reading Room (currently called the Periodical Room) is seen from above.
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