Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (170 total)

Sweeney Hall
Researcher with slide rule
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
Researcher with slide rule
Electrolytic cell for production of Dakin solution (sodium hypochlorite), 1931
Chemical Engineering Dept.,1931
Electrolytic cell for production of Dakin solution (sodium hypochlorite), 1931
Chemical Engineering Dept.,1931
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