Illustration

Top, left: George Baker. Viewof a part of ‘Hanging Discus’, kinetic scidptim, aluniinrmi, stainless steel and electro-mechanicalsystem for imparting motion, height 50 ft, 1973. (Fig. 9, cf. page 278.) Top, right: Louise Janin. ‘Flight’, Cosmogramme,Janin marbling technique, paper, 14 x 23 cm, 1963. (Collection of M. R. Bassan, Paris.) (Fig. 2, cf. page 283.) Centre, right: Daniel E. Noble. ‘The Mind-Extender’, reIief painting, fiberglasslacrylic caulking compound and acryIic paint, Masonite panel, 48 x 36 in, 1973. (Photo: L. Zbiegien, Phoenix, Ariz., U.S.A.)(Fig. 2, cf. page 292.) Bottom, left: Domenico Mortellito. ‘Cats’, Cromalin print, Kromekote press-proofing paper, 23 x 17 in, 1974. (Fig. 3, cf. page 315.) Bottom, right:Photographof the ‘traced’flowpattern in a water tunnelcaused by a model of a &ha wing airplaneprovided with the injectiono f tracer liquid to simulate a jet engine exhaust at the tail. (photo: O.N.E.R.A.,Chatillon, France.) (Fig. 3, cf. page 330.) [facingP.2941 ...