Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (36 total)

Self-propelled combine harvesting crops, right rear view showing crop stalks left behind, 1955
Self-propelled combine harvesting crops, right rear view showing grain dust, 1955.
Self-propelled combine harvesting crops, rear view showing stalk wastes, 1955
Equipment parts, 1939
Laboratory, 1938
Laboratory cupboard, 1938
Chemical processing equipment, 1938
Agricultural by-products equipment,1938
Fisher Scientific instrument, agricultural by-products lab, 1938
Chemical laboratory, Agricultural by-products, 1938
Output Formats

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