This illustration diagrams the destructive distillation of wastes by (Cline) Continuous-Feed Process, Agricultural By-Products Laboratory, Ames, Iowa, September 13, 1934
A group of large cylinders and tubs containing agricultural by-products are in the foreground. One of the cylinders is empty and waiting to be filled. There are towels hanging over the tubs and there is a large tank sitting on a table in the corner…
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.
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.
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.
