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Vegetable Color, Coffee
Testing dyes and fabrics
Chambers Works plant
Perfection Concentrated Coloring Blue
Dyes demonstration at 1939 New York World's Fair
DuPont commercial highlighting dyes
Chambers Works of DuPont's Organic Chemicals Department, one of the largest chemical and dyestuffs plant in the Western Hemisphere
DuPont Chambers Works facilities at Deepwater Point, New Jersey
DuPont Chambers Works facilities at Deepwater Point, New Jersey
DuPont Chambers Works
Early Chambers Works
Dyestuffs intermediate still
Perfection Coloring Set Box
Reflux Units used in ascertaining the resistance of a brown dye to various metals
Perfection Savoury Coloring, 4 oz, with Box
Dyestuffs at DuPont Exhibition at the New York Museum of Science & Industry
Multi Lap machine for application of vat dyes
Loading dyestuffs intermediate into shipping containers
Dyestuffs testing equipment at 1939 New York World's Fair
A Zeiss Pulfrich photometer
Edgemoor, Delaware plant of the DuPont Company's Pigments Department
Industrial Poisoning in Making Coal-Tar Dyes and Dye Intermediates (1921)
Testing pigmented plastic

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