"Judd's industrially manufactured, modular pieces, developed from 1966 onwards, were stubbornly empirical investigations of specific materials and visual effects. He shunned mystification and openly declared the nature of his structures. The...
Description in Kozloff: Copper disk with metal stand and electric motor; Information from the MOMA website (http://www.moma.org/) (11-2011): Rotary Demisphere (Precision Optics), Paris, 1925. Painted papier-mâché demisphere fitted on...