Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (1817 total) for Iowa State University Library Photograph Collection

Periodical Room (Reference and Reading Room) seen from above, 1954
A full view of the unit including the raw superphosphate disintegrator, conveyor belt, Link-Belt Roto Louvre Dryer and accessory equipment.
Link-Belt Roto Louvre Dryer
Sweeney Hall
Robert M. Bethea  presentation
Chemical laboratory with exhibit from DuPont, 1954.
Researcher with slide rule
Agriculture Experiment Station Nutrition Laboratory for beef cattle on farm near Ontario
Portrait, James J. Wallace, 1954
Portrait, Pearl Swanson, 1955
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