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 notes.
A researcher is examining the product as it leaves the Link-Belt Roto Louvre Dryer. This quick curing fertilizer dryer was used in sulphate fertilizer research in West Chemical Engineering Building.
Robert M. Bethea is making a presentation before an equation filled blackboard. He is surrounded by five seated faculty members, including Lawrence Burkhart, Thomas Wheelock, R. W. Fahien, George Burnett and Maurice Larson.
An almost bare Chemical laboratory has several doorways leading to other rooms. Along one section of the wall is a free standing exhibit entitled at the top: ""Chemistry and Engineering at work."" Along the bottom are the words, "" DuPont better…
The Agriculture Experiment Station Nutrition Laboratory for beef cattle, located on a farm near Ontario, is shown from the corrugated roof looking down on the fenced pens towards an open field, 1955?
James J. Wallace, Professor of Agricultural Administration, manager of the Iowa State farms and associate of the Agriculture Experiment Station, is shown in this portrait taken in 1954.
Dr. Pearl Swanson, Professor of Food and Nutrition and Assistant Director of the Iowa Agriculture and Home Economics Experiment Station during 1944-1961, is shown in this portrait taken in 1955.
