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Analytical and dye testing section in the Technical Laboratory at Deepwater Point, New Jersey
Dye testing equipment
Plastics coloration studies
Testing dyes on lithographer's stone
Testing dyes for fastness
Testing pigmented plastic
Testing dye fastness with Launderometer
Checking dye shades
Testing laundered fabrics
Chemist inking the press
DuPont Chambers Works facilities at Deepwater Point, New Jersey
Judging dyed skeins
Chambers Works dye plant owned by the DuPont Company
Weighing room at DuPont Technical Laboratory
Reflux Units used in ascertaining the resistance of a brown dye to various metals
A Zeiss Pulfrich photometer
Wash day at the dyes laboratory