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Dr. William H. Cloud studying a crystal
Herbicide being tested on rat
DuPont chemist watching an organic reaction
Testing Quilon water repellent
Laboratory setup for determining sulfur in liquid
Interview with Don Sturgeon, 2014 July 30
Ultracentrifuge in laboratory of DuPont's Chemical Department
Interview with Henry W. "Bill" Bartholomay, 2009 March 10
Dr. Lawrence Fullheart working with automatic fraction collector
DuPont chemists with electron microscope
Toxicological Laboratory of the Haskell Laboratory of Industrial Toxicology
Lab assistant taking optical activity measurements with polarimeter
Microbalance in Chemical Department's Analytical Laboratory
DuPont chemist working with electron microscope
Lab assistant taking optical activity measurements with polarimeter
Perfume research at the New Brunswick, New Jersey laboratory
Laboratory employees at Experimental Station
This is the way we wash our hands
Testing laundered fabrics
Chemist inking the press
Judging dyed skeins
Determining the drying time of lacquer
A 'quartz fingernail' used to determine hardness of paint films
Determining the degree of gloss
Testing resin at Marshall Laboratory in Philadelphia, Pennsylvania

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