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