Iowa Heritage Digital Collections
State Library of Iowa

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

Farm safety problem of child climbing conveyor belt, viewed from below, 1953
Farm safety problem of child climbing conveyor belt, 1953
Instruction manuals for farm machinery in steel box, 1951
Dilver Alchrist Paugtian, 1949
Individuals observing a tractor building terraces, 1949
Students using surveying equipment, 1949
Students learning to build terraces, 1949
Recording results of nail testing, 1949
Nail testing observations, 1949
Dilver Alchrist Paugtian, 1949
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