Iowa State University; Agricultural and Biosystems Engineering Dept.; Combines (Agricultural machinery); Farmers; Crops; Harvesting; Agricultural wastes
Shown from the right rear, a self-propelled combine takes down crops in Washington County, Iowa, while simultaneously harvesting the grain in a cloud of dust.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Conveyor belts; Children; Safety measures
Little Sorenson, on Irving Sorenson family farm, climbs up the conveyor belt that carries crops to the top of the grain bin, in an example of a farm safety issue.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Conveyor belts; Granaries; Children; Safety measures
Viewed from below, little Sorenson climbs up the conveyor that carries crops from the wagon to the top of the bins on the family farm, in an example of a farm safety issue.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Cultivators
A group of men are examining a cultivator, perhaps manufactured by the Harrow Company. The cultivator is attached to a wheeled mechanism which is labeled: Manufactured by the Light draft Harrow Company.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Drainage; Trenches; Engineering models
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.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Dynamometer
A team of horse are hitched to the rear of a modified truck. A group of men are standing on the truck bed along with some equipment. An early form of the dynamometer is being used to test the horses' pulling power.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Engineering models; Sand; Soils
Dr. Clarence Bockhop experiments with grading sand in the soil bin using scale model implements and similitude principles to study soil-tool interaction.