This is the Smalley Force Feed Ensilage and Fodder Cutter. Patent dates of Jan. 26, 1904, Aug. 9, 1910, and Nov. 12, 1912 are engraved on the top of the machine. Machine is part of project 158.
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 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…
A researcher is looking into a large drum. There is a wheel on top of the drum which is operated by a pulley. A second researcher is pouring a liquid into another machine. A third researcher with a notebook looks on.
This illustration diagrams the destructive distillation of wastes by (Cline) Continuous-Feed Process, Agricultural By-Products Laboratory, Ames, Iowa, September 13, 1934
