Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (170 total)

Pouring milkweed seeds into the solvent oil extractor, Oil extraction plant
Filtering operation for extracting oil from seeds, Oil extraction plant
Chemical Engineering Department Band outside the Chemical Engineering Building,1934.
Men entering Sweeney Hall, 1953
Dr. George T. Tsao and two graduate students testing the thermal conductivity of starch
Dr. George T. Tsao and a graduate student testing moisture absorption of F.T. starch
Early chemical engineering laboratory in basement of Chemistry Building, 1925
Draining liquid from a tank,1930
Paper Laboratory, 1930
Two drums used in processing agricultural by- products, 1931
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