A large drum is partially visible on the left and a large can is sitting on a table in the center. There are a several pipes, valves, and a motor on the lower right. A Sweetland filter is on the floor at the bottom center of the photograph.
This stationary cooker installed in the Chemical Engineering Building was used to digest cornstalks for board production. The inscription on the cooker reads ""Max pressure 50 lb. per sq. in, 1-2-37."" Machine is part of project 158.