Iowa State University; Dept. of Chemical and Biological Engineering.
Three students are gathered around a large chart written on a blackboard. One student is pointing to the chart while the other students listen and take notes. This photograph was featured in the Chemical Department's descriptive brochure for 1978.
Iowa State University; Dept. of Chemical and Biological Engineering.
Two students are seated in a lounge type area furnished with a two divans, various types of chairs, a small table and a blackboard on one wall. One student is reading while the other appears to be napping. Another slightly older individual...
Iowa State University; Dept. of Chemical and Biological Engineering.
A piece of tabletop equipment is being manipulated by a seated researcher. Another standing researcher is watching. This photograph was featured in the Chemical Engineering Brochure for 1978.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Silos; Silage
A temporary circular silo is filled with grass ensilage. There is a barn and trees in the background. Near the silo is a tall wooden pole with a pulley near the top.
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....
This photograph, taken July 16, 1930, shows E.F. Goss, Associate Professor of Dairy Industries at Iowa State College (University) using the Nafis Acid Test to measure the acidity of the milk, an important part of the process in making cottage...
This January 10, 1905 photograph of dairy students shows the students in a laboratory setting. The students are examining bottled milk and milk from a milk can. Some are holding milk testing equipment, while a burette and glass funnel can be seen...
Iowa State University; Dept. of Chemical and Biological Engineering; Agricultural wastes.
These two rotating cylinder drums are operated by pulleys. On each drum is a spigot and each has a rectangular pan underneath. The drum on the left is smaller than the one on the right.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station
Two men stand by waist-high wire fence while they talk, each with one hand on the fence and the other hand in his pocket. A wooden barn and trees are in the background.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Farm equipment
Two men who look dirty from their hard work stand talking by a farm machine, perhaps a hay baler, with two one-story farm buildings in the background with trees. Both men wear hats and glasses, and the older man wears overalls.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Swine
Two researchers in white lab coats examine an object in a laboratory that also contains a scale, a jar full of stoppered and labeled vials, and a wood and glass piece of equipment. In the inset photo, a man kneels while one baby pig comes to see...
Iowa State University; Dept. of Chemical and Biological Engineering.
Two researchers stand before a piece of equipment. One of the researchers is pointing to a specific part of the apparatus. This photograph was featured in the Chemical Department's descriptive brochure for 1978.
Iowa State University; Dept. of Chemical and Biological Engineering.
Two researchers in safety goggles are working with a piece of equipment. One researcher is carrying small plastic bottle and log book. This photograph was featured in the Chemical Department's descriptive brochure for 1978.
Iowa State University; Dept. of Chemical and Biological Engineering.
Two researchers are sitting on either side of a glass cylinder filled with liquid. The cylinder is attached to a base and a numeric measuring device is seen through the liquid. This photograph was featured in the Chemical Department's descriptive...
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Swine
Two researchers in white lab coats take measurements with equipment in a field. One researcher monitors gauges connected to a machine and board by wires, while the other researcher studies an object on the connected board. Pigs and their housing...