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DuPont Company gunpowder advertising envelopes
E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The company was established in 1802 by Pierre Samuel du Pont de Nemours (1739-1817) and his son Eleuthère Irénée du Pont (1771-1834) the company began with the production of gunpowder. This small collection consists of eight letter-size gunpowder advertising envelopes, including Peters cartridges, DuPont smokeless powder, Laflin & Rand, and Hazard Powder Company.