A technician hand-making a piece of laboratory glassware with a torch for heat. Holding a piece of glass rod stock in the torch with one hand, the technician is modifying the glass tube by touching it with a glass rod in the flame. Glass lab ware...
Two technicians in the glass lab of the Chemistry Department. One technician is working with a torch and tubes of glass at a worktable, on which are a lighter, glass tubes, rubber stoppers and various tools.The other technician is standing in the...
Professor F. E. Brown observing a chemistry student in the lab. The student is using a dropper to add liquid to a test tube. Three other students are working in the background.
Jim Weiher at the dry box (a shielded laboratory chemical containment hood), which was used to perform chemical operations in a controlled atmosphere. Weiher is seated, with his arms inserted through portals into the inner chamber which can be...
H. Frederick Hollenbeck and Frances Hiltrop working with models of complex crystals. In addition to a large model in the foreground there are models shelved behind them.
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...
A student working in a newly designed laboratory for instruction in general chemistry employing semi-micro techniques. Test tubes and reagent bottles are arranged neatly at the work station.
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...
The counter room for measuring radioactivity. Two technicians, a man and a woman,are seated at the far end of the room; the woman is working with one of the machines. A number of pieces of equipment are shown.
A student working in a newly designed laboratory for instruction in general chemistry employing semi-micro techniques. Test tubes and reagent bottles are arranged neatly at the work station. Four conjugate work stations are built as an island. This...
This 1958 photograph shows pastures and lots near the college barns. In the middle of the photograph appears a pen with several hogs and huts that house them.
Farm Equipment; Agriculture; Iowa State University;
Drawn farm machinery lined up for exhibit. A front row contains wind mill motors. A steam engine sits at the rear of the assembled machinery. A man stands in the second row with his hand on a two-bottom plow. There is a white fence in the rear of...
Farm Equipment; Agriculture; Iowa State University;
Three men working on a tractor-drawn Case hay baler in the foreground. A harvested hay field can be seen behind the baler. Residential housing across a gravel road is in the background.
Farm Equipment; Agriculture; Iowa State University;
A Hart-Parr 16-30 steel-wheeled tractor pulling a corn stalk harvesting machine. The corn field has already been harvested for corn. One man is driving the tractor and two other men are working on the stalk harvester. The photograph was taken April...
Farm Equipment; Agriculture; Iowa State University;
An enclosed-gear, steel-wheeled, two-hitch horse-drawn rider- operated bar mower being used in a hay field. The operator is driving the work horses away from the camera. One of the horses is wearing a leather fly skirt. A row of poplar trees runs...
