Robert Rauschenberg, Dry Cell, 1962, silkscreen and oil on Plexiglas, with metal coat hanger, wire, string, sound transmitter, circuit board, and battery-powered motor, on metal folding camp stool, 15 x 12 x 15 3/8 inches (38,1 x 30,5 x 39, 1 cm). © Robert Rauschenberg Foundation/ licensed by VAGA, New York