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.
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.
Dating from around 1900, this is a shot of a general store with its staff taking a moment to pose for the camera. General stores were very common in the early 1900's in rural communities like Oskaloosa, Iowa. In the center of the photograph is a…
