Iowa State University; Agricultural and Biosystems Engineering Dept.; Tractors
Professor Mervine and several other individuals work on different types of tractors including; a New Hart Parr tractor, a Rock Island Plow Heider tractor and an Avery Company tractor.
Iowa State University; Dept. of Chemical and Biological Engineering.
A researcher is holding a paper printout that is still in the process of being printed. Instead of looking at the printout however, he is looking directly at the photographer.
Iowa State University; Dept. of Chemical and Biological Engineering.
A professor is sitting behind a desk in an office. The desk is covered with various folders, stacks of paper and a Styrofoam cup. There are filing cabinets, a coat rack and windows in the background.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Sprinkler irrigation; Hydrants
Professor Howard Johnson helps one student adjust a water hydrant fixture, while two others observe in a lab class about sprinkler irrigation equipment.
Iowa State University; Agricultural and Biosystems Engineering Dept.; Sprinkler irrigation; Hydrants
Professor Howard Johnson (in tie) discusses the design and operations of sprinkler irrigation equipment with agricultural engineering students in lab class.
Iowa State University; Dept. of Chemical and Biological Engineering.
A professor is lecturing to a group of students in a classroom. The subject of the lecture involves a large piece of equipment which is sitting on a table in the front of the room. The teacher is using a pointer to indicate parts of the machine...
Curtiss-Wright Engineering Cadettes, 1941-1945; Department of Military Science; Iowa State University; Women in Science and Engineering; World War II
Professor Les Kelso is pointing out the propulsion system of a small general aviation airplane. These airplanes, sans wings, were in the Aeronautics Laboratory for purposes of visualization and illustration. The plane may be a Luscomb or a...
Farm Equipment; Agriculture; Iowa State University;
The operation of a pulverator and drill in an untilled field. The tractor pulling the machinery has unusually light and narrow steel wheels. The photograph is from the rear. A roadway fence line at the edge of the field is in the middle distance.
A quantitative analysis class in the Chemistry-Physics Hall, probably in the 1890s. The caption on the back of the photograph states: ""Note blast lamp for igniting crucibles; Kipp gas generator; wash bottle made from round bottom flask.""
Iowa State University; Dept. of Chemical and Biological Engineering
This full view of the Quick curing fertilizer dryers shows the raw superphosphate disintegrator, conveyor belt, link-belt roto lourve dryer and accessory equipment.