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.
Don Hunt (left), graduate student Graeme Quick from Australia (center) and Clarence Bockhop (right) work with scientific apparatus in the Farm Machinery Lab.
Dr. Clarence Bockhop experiments with grading sand in the soil bin using scale model implements and similitude principles to study soil-tool interaction.
