installation of canopy Modern and Contemporary Art Research Initiative
 

Antoine Pevsner, Portrait of Marcel Duchamp, 1926. Cellulose nitrate on copper with iron, 65.4 x 94.0 cm (25 3/4 x 37 in.) Yale University Art Gallery. Gift of Collection Sociètè Anonyme. The works originally clear plastic components now show extreme signs of degradation, including warping, cracking, and discoloration, which exacerbated corrosion processes in the metal pieces. Photo: Yale University Art Gallery. ©2009 Artists Rights Society (ARS), New York/ADAGP, Paris.