Chemistry; Laboratory; Equipment; Iowa State University;
A female student in a white lab coat using a Worburg apparatus. The Worburg apparatus was widely used in biochemical and biological research for measuring rates of reaction in which gases are involved. The student is noting readings in a lab record...
A chemistry class for women. A notation on the reverse reads: ""2nd Floor-East--Room now a corridor leading into PSRR (Physical Science Reading Room) on second floor of O & L Bldg. (Office & Lab Building). Class taught by Nellie Naylor."" Naylor, a...
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Silos; Silage
Two workers are filling a temporary silo. One man is using a pitchfork, while the other maneuvers a silage unloader in order to fill the silo evenly. A tractor and car are near the silo. In the background cattle graze near the farm's...
Iowa State University; Iowa Agriculture and Home Economics Experiment Station
Two snowy fields are separated by a barbed wire fence. A farm house, barn and other buildings are nestled near some tree and snow covered hills in the distance.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Swine
Two researchers in white lab coats take measurements with equipment in a field. One researcher monitors gauges connected to a machine and board by wires, while the other researcher studies an object on the connected board. Pigs and their housing...
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Swine
Two researchers in white lab coats examine an object in a laboratory that also contains a scale, a jar full of stoppered and labeled vials, and a wood and glass piece of equipment. In the inset photo, a man kneels while one baby pig comes to see...
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Farm equipment
Two men who look dirty from their hard work stand talking by a farm machine, perhaps a hay baler, with two one-story farm buildings in the background with trees. Both men wear hats and glasses, and the older man wears overalls.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station
Two men stand by waist-high wire fence while they talk, each with one hand on the fence and the other hand in his pocket. A wooden barn and trees are in the background.
Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Silos; Silage
A temporary circular silo is filled with grass ensilage. There is a barn and trees in the background. Near the silo is a tall wooden pole with a pulley near the top.
The balance room used for quantitative analysis. Contiquous fumehoods line both walls of a long narrow room, down the center aisle of which are arranged chairs at each fume hood work station. Sitting back to back in two rows, students are occupied...
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.
Four female students in white lab coats conducting an experiment in a chemistry laboratory. Two of the students are at the counter and two are to the rear watching while taking notes.
A female technician in a white lab coat recording the results of an experiment in organic chemistry. She is monitoring an apparatus used to separate natural products from plant material. The instrument consists of large glass tubes, beakers, and...