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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.
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.
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.
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.
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.
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.
Model of Niagara Falls power plants, The University of Iowa, 1927
Model was made by student in water power engineering.