You might like Left Right Scala Napoletana Joseph Beuys 1985 Model for a Felt Environment Joseph Beuys 1964 Standing Draped Figure Hubert Dalwood 1954 Antennae with Red and Blue Dots Alexander Calder c.1953 Optochromi H8 - 1 Eric Olson 1965 William Jeffrey with Device John Davies 1972 Separation Peter Startup 1965 Maquette for the Unknown Political Prisoner Geoffrey Clarke 1953 Is a Mind a Prison Bob Law 1970 Tower of Babel León Ferrari 1963 Terracotta Circle Gilberto Zorio 1969 Oculist Witnesses Richard Hamilton, Marcel Duchamp 1966, reconstruction by Richard Hamilton 1966