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.
On the right side of the room are two large pieces of equipment. A group of coils are laying against one of the machines. Hoses are laying on the floor. Three wooden structures are in the background.
Various glassware and instruments are displayed on tables and counters in this laboratory. A large cabinet with glass doors is on the left. The door at the rear opens into another laboratory.