The History of Dubuque County, Iowa, Containing a History of the County, its Cities, Towns, &
Biographical Sketches of Citizens, War Record of its Volunteers in the late Rebellion, General and Local Statistics, Portraits of Early Settlers and...
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; Dept. of Chemical and Biological Engineering; Agricultural wastes
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.
Iowa State University; Dept. of Chemical and Biological Engineering; Agricultural wastes
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...
Iowa State University; Dept. of Chemical and Biological Engineering.
A researcher is working with a machine labeled analytical liquid chromatography. A screwdriver, scissors and other tools are on the workbench. This photograph was featured in the Chemical Engineering Brochure for 1978.
Story County (Iowa); History; Biography; Iowa Agricultural College
Biographical and historical memoirs of Story County, Iowa. Comprising a condensed history of the state, a number of biographies of distinguished citizens of the same, a descriptive history of the county named herein, and numerous selected...
Iowa State University; Dept. of Chemical and Biological Engineering
Two researchers are standing before a bubble cap column. The column is surrounded by metal scaffolding and stairs lead to the upper levels. One individual is standing on the highest level near the top of the column.
Iowa State University; Dept. of Chemical and Biological Engineering; Bands (Music)
Members of the Chemical Engineering Department Band are laughing and having a good time outside the Chemical Engineering Building . Band members from left to right are: Fred Nykvist, Vernon Guse, Louis Havens, Carl Burling, Carl Grulke (kneeling),...
Iowa State University; Dept. of Chemical and Biological Engineering
At the center of the photograph is a brick structure enclosed by a metal frame on wheels. The man on the left is operating a switch and there are pipes leading from the structure into two oil drums on the right.
Iowa State University; Dept. of Chemical and Biological Engineering;
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.
Iowa State University; Dept. of Chemical and Biological Engineering.
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...
Iowa State University; Dept. of Chemical and Biological Engineering
A test tube in a beaker, a flask, and a large bottle filled with liquid are sitting on a partially enclosed lab work area. Petri dishes and a rack are on the counter to the left.
Iowa State University; Dept. of Chemical and Biological Engineering; Agricultural wastes
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.
Iowa State University; Dept. of Chemical and Biological Engineering; Agricultural wastes
On the right side of the room are two large pieces of equipment. A group of coils are laying against one of the machines. Hoses are laying on the floor. Three wooden structures are in the background.
