You might like Left Right Rotation ‘Frankfurt’ III Kenneth Martin 1977 Rotation ‘Frankfurt’ IV Kenneth Martin 1977 Rotation ‘Frankfurt’, Key Drawing Kenneth Martin 1977 Abstract Kenneth Martin c.1950 Oscillation Kenneth Martin 1962 Seventeen Lines Kenneth Martin 1959–63 Screw Mobile with Black Centre Kenneth Martin c.1958–65 Mobile Stabile William Turnbull 1949 Drawing for a ‘Screw Mobile’ Kenneth Martin 1972 Composition Kenneth Martin 1949 Stabile with Mobile Elements Lynn Chadwick 1950 Mobile Reflector Kenneth Martin 1955