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 collection consists of photographs that document two separate activities. First grouping shows a nyalite (and explosive) outdoor safety demonstration (1905) probably conducted in the Hagley powder yards.