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…
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…
G. F. Hanna, a graduate student in the Department of Chemistry and a research fellow of the Agricultural Experiment Station, showing the refrigerated super centrifuge along with the refrigerated bath. The room was maintained at a temperature just…
Frank Janssen, a graduate student in chemistry, with a Craig Liquid Extraction Apparatus. This apparatus, invented by Dr. Lyman Craig, an Iowa State alumnus, was widely used for separating medicinal and other biologically important materials. It…
G. F. Hanna, a graduate student in the Department of Chemistry and a research fellow of the Agricultural Experiment Station, demonstrating the refrigerated bath in the refrigerated laboratory. The room was maintained at a temperature just above…
A chemistry student at work in a laboratory. Dressed in a white lab coat, the student is standing before a distillation apparatus with a wall of reagents on shelves behind the equipment.
An experiment in micro chemistry, Chemistry 102, in the spring of 1939. The close up photograph shows a hand holding tweezers which in turn hold a small chemical boat as it is about to be inserted into a small electrified chamber. A voltage meter and…
A freshman chemistry laboratory work session. Young men and women are working at their individual work stations. The lab is divided by a central aisle into two sets of work stations. A reagent supply cabinet runs down the length of the central aisle.…
A freshman chemistry laboratory work session. Young men and women are working at their individual work stations. The lab is divided by a central aisle into two sets of work stations. A reagent supply cabinet runs down the length of the central aisle.
A chemistry laboratory session. Twelve young men and women are working at their individual work stations. A row of fume hoods is against the back wall between large windows. Common laboratory apparatus can be seen throughout the laboratory.
