Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (170 total)

A full view of the unit including the raw superphosphate disintegrator, conveyor belt, Link-Belt Roto Louvre Dryer and accessory equipment.
A full view of the unit including the raw superphosphate disintegrator, conveyor belt, Link-Belt Roto Louvre Dryer and accessory equipment.
Agricultural by-products equipment,1938
Agricultural by-products equipment,1938
Agricultural by-products lab equipment, 1938
Agricultural by-products lab equipment, 1938
Agricultural by-products lab, 1938
Agricultural by-products lab, 1938
Agricultural by-products lab, 1938
Agricultural by-products lab, 1938
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