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- Tractors, 1934
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Tractors; Farm equipment
- In an outdoor courtyard, a group of men are examining various types of tractors.
- University Photographs
- Testing electrical equipment, 1934
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Rural electrification
- A group of three men are examining batteries and other equipment designed to bring electricity to farms.
- University Photographs
- Band saw, 1934
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Woodworking; Band saws
- Several men are occupied in the construction of wooden structures. Their activities include: sawing, hammering and filing. A large band saw is at one side of the room. Its large wheels and most of the blade are enclosed in a wire safety...
- University Photographs
- Horse dynamometer trial run
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Dynamometer
- A team of horse are hitched to the rear of a modified truck. A group of men are standing on the truck bed along with some equipment. An early form of the dynamometer is being used to test the horses' pulling power.
- University Photographs
- Diesel tractor, 1938
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Tractors; Diesel motors
- Two men examine the engine of a diesel tractor. One man is pointing out parts, while the other is taking notes.
- University Photographs
- Mold board plow
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Plows
- A team of three horses are drawing a mold board plow through a field creating furrows. The plow is moving away from the camera, but the driver has turned in the seat to face the camera. Two other teams and plows are in the background.
- University Photographs
- Steel roof experiment, 1938
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Farm buildings
- A group of three men examine the steel roof on a farm building.
- University Photographs
- Examining a horse hitch model, 1940
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Harnesses; Horses
- A horse hitch model with five horses is examined by a group of men.
- University Photographs
- Plained furrows, 1942
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Tillage
- A group of three men are standing in a plowed field. The furrow in the middle is considerably lower than those on either side.
- University Photographs
- Student with measuring rod, 1942
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Tillage
- A man is standing in a plowed field measuring the depth of a furrow with a measuring rod. The furrow is considerably lower than the surrounding area.
- University Photographs
- Two men measuring a plowed furrow, 1942
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Tillage
- Two men are standing in a plowed field. One is holding a measuring rod while the other users a stretched rope to indicated the depth of the furrow.
- University Photographs
- J. Bruce Liljedahl and students, 1947
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Farm buildings
- J. Bruce Liljedalh and three students examine a the strength of a wooden truss on a building model.
- University Photographs
- Checking a tractor carburetor, 1947
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Tractors; Carburetors
- Four men listen to an instructor explaining a tractor carburetor. The group of men are standing next to a John Deere tractor.
- University Photographs
- J. Bruce Liljedahl and students, 1947
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Farm buildings
- J. Bruce Liljedalh and three students study the blueprints of a wooden buildings model.
- University Photographs
- Students building terraces, 1949
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Terracing; Soil conservation
- Several individuals are using survey rods and transits to build terraces in a farm field. Another group of individuals and a tractor are in the background.
- University Photographs
- Tractor mounted pest and weed sprayer lecture, 1949
- Iowa State University; Agricultural and Biosystems Engineering Dept.' Weed control; Pest control
- A group of students listen to an instructor explaining the use of a tractor mounted pest and weed sprayer.
- University Photographs
- Dilver Alchrist Paugtian, 1949
- Iowa State University; Agricultural and Biosystems Engineering Dept.; tractors
- Dilver Alchrist Paugtian is working on the motor of a McCormick-Deering Farmall tractor.
- University Photographs
- Nail testing observations, 1949
- Iowa State University; Agricultural and Biosystems Engineering Dept.' nails
- Two individuals observe nail testing equipment. One individual is holding a clipboard on which he is probably recording the results of the test.
- University Photographs
- Recording results of nail testing, 1949
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Nails
- A man is standing in front of some nail testing equipment. He is recording the results of the test in a clipboard.
- University Photographs
- Students learning to build terraces, 1949
- Iowa State University; Agricultural and Biosystems Engineering Dept.; Terracing; Soil conservation
- One man is driving a tractor while others look on in the distance. The Agricultural Engineering students are learning how to layout, build and check terraces on farm land for erosion control.
- University Photographs