This photograph shows Martin Mortensen (2nd from left, standing behind the vat), professor of dairy for over 40 years at the Iowa State College (University) teaching a class of eight women and one male student how to make ice cream and ices in the…
This photograph, taken about 1912, shows a group of students in the dairy laboratory using a power brine freezer for making ice cream. They are shown feeding cream into the machine at its right end, and waiting for it to be discharged into a large…
Four male students in a clinical sciences class palpating a cow, ""demonstrating relative positions of organs in thorasic and abdominal cavities on a cow.""
A man is cutting corn stalk with a knife near the ground line for corn root rot studies under direction of Dr. George Semeniuk. A tractor is parked to his right.
A man is lifting stubble for corn root rot studies under the direction of Dr. George Semeniuk. He is using a walking mold board plow pulled by a tractor.
