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 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 stand before a machine labeled, AB roll mill. One researcher is pouring a granular substance into a hopper on the top of the machine. Both researchers are wearing respiration masks. This photograph was featured in the Chemical...
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.
This winter view of the Knoll shows the southeast corner of the building, and the surrounding trees and bushes. There is snow on the building roof and the ground.
This winter view of the Knoll focuses on the southwest corner. Trees and bushes are in the foreground. There is snow on the roof and the surrounding lawn.
This winter scene shows the north side of the Knoll surrounded by trees. There is a light post in the center of the frame. The ground and building are covered in snow.
This westerly view of the Knoll features the large glassed-in porch on the right and the porte cochere on the right. There are trees and grass in the foreground.
This view of the Knoll clearly shows the extent of the renovations that took place in 2001. There various construction vehicles parked in front of the building. The entire scene is framed by the surrounding trees.
This view of the eastern side of the Knoll shows the front entryway and open air porch. A bricked sidewalk runs in front of the house. The right tower is hidden by a large tree.
This northeast view of the Knoll features the porte cochere, ivy covered tower and a bit of the front entryway. A small part of the wrap around porch is also visible.
This ground view of the Knoll features the northeast corner. Climbing ivy is on the northeast tower and the porte cochere is partially hidden by a tree.
