Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (1817 total) for Iowa State University Library Photograph Collection

Agricultural machinery, 1904
Farm machinery exhibit, 1904
Three-horse hitch, 1906
Case hay baler, 1923
Hart-Parr 16-30 tractor, 1928
Horse-drawn mower, 1905
Mule-driven threshing machine, 1931
Caterpillar Fifteen, 1930
Four-row corn planter, 1931
Four-row corn planter, 1931
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