Men and women in a college chemistry laboratory. An adjoining laboratory, full of students, can be seen through a double arched doorway. A female student in the foreground appears to be wearing one of the men's hats.
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.