Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (138 total)

Study of the silk worm and trip to power plant, The University of Iowa, 1939-1940
Model of Niagara Falls power plants, The University of Iowa, 1927
Crowd walking up Washington St. hill, The University of Iowa, 1920s
Hydraulics Lab, Power Plant, The University of Iowa, ca. 1933
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