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Water repellency illustration
Creation of Quilon
Dr. Edward O. Hermann, research chemist, demonstrating Quilon
K. Grace Fahey demonstrating Quilon
Testing Quilon water repellent
Swing Into Spring : DuPont Zelan
Stormwear with a Fashion Flair : Protected with DuPont Zelan Durable Water Repellent
Just Fishermen's Luck! : DuPont Zelan