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Burning liquid samples in Experimental Station laboratory
Burning liquid samples in Experimental Station laboratory
Conducting research at the E.I. du Pont de Nemours & Company Experimental Station
Conducting research at the E.I. du Pont de Nemours & Company Experimental Station
Conducting research at the E.I. du Pont de Nemours & Company Experimental Station
Conducting research at the E.I. du Pont de Nemours & Company Experimental Station
Conducting research at the E.I. du Pont de Nemours & Company Experimental Station
Conducting research at the E.I. du Pont de Nemours & Company Experimental Station
Conducting research at the Experimental Station
Conducting research at the Experimental Station
Conducting synthetic textile research at the E.I. du Pont de Nemours & Company Experimental Station
Conducting synthetic textile research at the E.I. du Pont de Nemours & Company Experimental Station
A corner of the new Special Service Lab at the DuPont Company's Experimental Station
A corner of the new Special Service Lab at the DuPont Company's Experimental Station
Determining a chemical reaction
Determining a chemical reaction
Dr. Joseph Balthis, research chemist
Dr. Joseph Balthis, research chemist
Dr. Joseph H. Balthis, research chemist, working on a distillation
Dr. Joseph H. Balthis, research chemist, working on a distillation
DuPont chemist observes progress of a distillation operation at the Experimental Station
DuPont chemist observes progress of a distillation operation at the Experimental Station
DuPont chemist watching an organic reaction
DuPont chemist watching an organic reaction
DuPont chemist working with electron microscope
DuPont chemist working with electron microscope
DuPont chemists with electron microscope
DuPont chemists with electron microscope
DuPont research physicists arranging mirrors for infrared microspectroscopy study
DuPont research physicists arranging mirrors for infrared microspectroscopy study
Electron microscope
Electron microscope
Film Department chemist testing new experimental film
Film Department chemist testing new experimental film
Lab assistant taking optical activity measurements with polarimeter
Lab assistant taking optical activity measurements with polarimeter
Laboratory employees at Experimental Station
Laboratory employees at Experimental Station
Laboratory setup for determining sulfur in liquid
Laboratory setup for determining sulfur in liquid
Microbalance in Chemical Department's Analytical Laboratory
Microbalance in Chemical Department's Analytical Laboratory
Organic chemistry research laboratory at E.I. du Pont de Nemours & Company Experimental Station
Organic chemistry research laboratory at E.I. du Pont de Nemours & Company Experimental Station
Preparing a monomer for polymerization study
Preparing a monomer for polymerization study
Purifying gases in laboratory at E.I. du Pont de Nemours & Company Experimental Station
Purifying gases in laboratory at E.I. du Pont de Nemours & Company Experimental Station
Research laboratory at the Experimental Station
Research laboratory at the Experimental Station
Special glass apparatus to determine sulfur in liquid samples
Special glass apparatus to determine sulfur in liquid samples
Test run of new experimental fibers equipment
Test run of new experimental fibers equipment
Two man laboratory at E.I. du Pont de Nemours & Company Experimental Station
Two man laboratory at E.I. du Pont de Nemours & Company Experimental Station
Ultracentrifuge in laboratory of DuPont's Chemical Department
Ultracentrifuge in laboratory of DuPont's Chemical Department