Including:
TGA 7040/17 'Construction and movement', published in 'Art International', Summer 1967 (same as TGA 7040/16), 5 pieces;
TGA 7040/18 'Construction and change', tyed notes on a group of works made between 1965 and 1967, 21 pieces;
TGA 7040/19 Transcript of recorded statement by Kenneth Martin and Maurice de Sausmarez, 13 pieces;
TGA 7040/20 Typed notes for the Tate on 'Rotary Rings' (fourth version), 1968, 5 pieces;
TGA 7040/21 Notes for the publicity of 'Screw Mobile' for 'Unlimited', Bath 1969, 4 pieces;
TGA 7040/22 Notes on Cubism, March 1969, 1 piece.