Iowa State University; Agricultural and Biosystems Engineering Dept.; Oscilloscopes; Recording instruments; Electric apparatus and appliances
Bill Waters, agricultural engineering senior, learns electronic principles in the laboratory. An oscilloscope, and recording and indicating instruments, are used to show the characteristics of the circuits.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Hybrid corn; Guatemala
These Iowa State College experts are discussing some of the hybrids made on Guatemalan corns grown on the Agricultural Experiment Station plots. They are, left to right, Dr. I.J. Johnson, head of Farm Crops sub-section; Dr. I.E. Melhus, Director of...