Iowa Heritage Digital Collections
State Library of Iowa

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

Researcher with large piece of equipment, 1978
Researcher with slide rule
Researcher with the quick curing fertilizer dryer, 1953 or 1954
Researcher with two stage regulator, 1978.
Researcher working with a control panel
Researcher working with test tube samples
Researchers in respiration masks, 1978
Reserve desk in Room 198 (Reserve Room), 1925
Robert M. Bethea  presentation
Robert W. Orr examining files, 1953
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