DAGUERRE (V01. vi. p. 761) and PHOTOGRAPHY. Nicpce died at Gras, his property near Chalon, on July 3, 1833. A nephew, Claude Felix Abel Niepce de Saint-Victor (1805-1870), served with destinction in the army, and also made important contributions towards the advancement of the art of photography (actinescence); he published Recherches photographiques (Paris, 1855) and Traite pratique de gravure heliogra-phique (Paris, 1866).