In this 1930 photograph Professor E.F. Goss, Raymond Morrison, and C.O. Grigsby are shown in a dairy laboratory making pH determinations on cheeses. This determination in cheese manufacture assists greatly in the control of uniformity and quality....
Iowa State University; Dept. of Chemical and Biological Engineering.
A man is observing a beaker filled with liquid. The beaker is sitting on top of a square control unit. Other tubing and laboratory glassware are connected to the beaker.
Iowa State University; Dept. of Chemical and Biological Engineering.
A researcher adjusts scientific equipment during an experiment. Several pieces of the equipment are attached to each other via tubes and other connectors. A control box is sitting in front of the glassware. This photograph was featured in the...
Iowa State University; Dept. of Chemical and Biological Engineering; Fertilizers
The researcher on the right is standing in front of the Link-Belt Roto Louvre Dryer used in sulphate fertilizer research in the West Chemical Engineering Building. The researcher on the left is standing in front of the control equipment taking...
Iowa State University; Agricultural and Biosystems Engineering Dept.; Terracing; Soil conservation
One man is driving a tractor while others look on in the distance. The Agricultural Engineering students are learning how to layout, build and check terraces on farm land for erosion control.
World War I, 1914-1918; Military Training; Iowa State University;
""American girls learning to use tractors in order to increase the Country's food supply at the National Service School, Inc., of the Women's Naval Service, Inc."" The tractor and the plow being pulled have all metal wheels without tires. An...
Kitchen-Klatter began as a half-hour radio show with Leanna Driftmier sharing household tips, recipes, and childrearing advice among other topics. The radio show aired from 1926-1986 making it the longest running homemaker program in the history of...