State Library of Iowa
Copyright and Ownership
Welcome to the Iowa Heritage Digital Collections
Collection Development Policy
Digitization Resources for participants in the Iowa Heritage Digital Collections
Omeka Directions: Adding Items to Omeka
Steps to Participation
Dublin Core and Item Type Metadata descriptions
Required Dublin Core Fields for Items
Collection: Iowa State University Library Photograph Collection
Browse Items (1817 total) for Iowa State University Library Photograph Collection
Browse by Tag
Two students determining the depth of a trench on a drainage model, 1957
Agricultural engineers Kent Mitchell (left) and Gerald Hollander work out the relationship between the depth of trench and height if target on a tile drainage model.
Students examining a silage cutter, 1957
In the Power and Machinery Lab, students examine a silage cutter.
Students observing a large piece of agricultural equipment, 1957
In the Power and Machinery Lab, a group of students observe a large piece of Papec agricultural equipment.
Dr. Bockhop and students observing a tillage system with a model tractor, 1957
Dr. Clarence Bockhop (left) and two students observe a plain tillage linkage system with a model tractor.
Instructor teaching a group of students about a tractor, 1957
An instructor explains the front mechanics of a tractor to six students in a laboratory with five other tractors.
Students observing a tractor cultivating a field, 1957
Thirteen students observe someone driving a tractor and cultivating a field.
Four students studying a tractor equipped with a seed spreader, 1957
Four students study a piece of farm equipment, a tractor equipped with a seed spreader.
Dr. Bockhop working on soil bin similitude studies, 1957
Dr. Clarence Bockhop experiments with grading sand in the soil bin using scale model implements and similitude principles to study soil-tool interaction.
Professor Johnson and three students investigating water hydrant fixtures, 1957
Professor Howard Johnson helps one student adjust a water hydrant fixture, while two others observe in a lab class about sprinkler irrigation equipment.
Agricultural engineering student using an engineer's transit, 1957
Agricultural engineering student Kent Mitchell uses an engineer's transit in soil and water conservation work.