You might like Left Right Orange Gordon House 1961 Dial Set Two Gordon House 1966 Dial Set Three Gordon House 1966 Dial Set Four Gordon House 1966 Dial Set Five Gordon House 1966 Dial Set Six Gordon House 1966 Red Matrices Gordon House 1967 4 Red Arcs Gordon House 1967 Multi/Screen Gordon House 1969 Triangle A Gordon House 1971 Triangle F Gordon House 1971 Amsterdam B Gordon House 1971