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Dr. Joseph H. Balthis, research chemist, working on a distillation
Dr. Lawrence Fullheart working with automatic fraction collector
Dr. Wallace H. Carothers
Dr. William H. Cloud studying a crystal
Drying treated samples of textiles
DuPont chemist at work in the laboratory with petrographic microscope
DuPont chemist observes progress of a distillation operation at the Experimental Station
DuPont chemist watching an organic reaction
DuPont chemist working with electron microscope
DuPont chemists with electron microscope
DuPont commercial on research chemists and fellowships
DuPont lab team discussing results of an experiment
DuPont laboratory team discussing results of an experiment
DuPont research physicists arranging mirrors for infrared microspectroscopy study
Electron microscope
Employee at work at the Haskell Laboratory of Industrial Toxicology
Employees at the E.I. du Pont de Nemours & Company Experimental Station
Employees of the Haskell Laboratory of Industrial Toxicology
Equipment at Polychemicals Department laboratory at Experimental Station
Ferdinand Hurter, Swiss industrial chemist
Film Department chemist testing new experimental film
Film testing at the Experimental Station
Float zone refining of silicon
Herbicide being tested on rat
High vacuum apparatus

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