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.
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.
Four male students in a clinical sciences class palpating a cow, ""demonstrating relative positions of organs in thorasic and abdominal cavities on a cow.""
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…
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 in1913 in the creamery, shows a group of students enrolled in the Iowa State College ice cream short course. Some students are working at a table with bottles of chemical reagents and pans. One of the students is whisking…
Three men are observing a plate-and-frame-filter press. A fourth individual is recording information on a clipboard. The press, which is used to make filtration tests was introduced to Iowa State University in 1953.
A man is involved in the process of making cottage cheese. He is holding a large hose in a bucket, both of which are partially submerged in a vat of liquid.
