Specially made fine grain sponges are used by amateur and professional photographers for removing excess moisture from photographic film that has just been developed and washed. DuPont makes these cellulose sponges at Columbia, Tennessee.
Nitroglycerin is poured from a baker into a small gelatin dynamite mixer at the Eastern Laboratory at the Repauno, New Jersey plant of the DuPont Company where new explosives are constantly in the process o development.
