Authors' responses to points raised by the referee of two papers, 'The kinetics of polysuphone formation. Part I. The formation of 1-butene polysulphone at 25° C' and 'The kinetics of polysulphone formation. Part II. The formation of 1-butene polysulphone in the region of the ceiling temperature' by Frederick Sydney Dainton and K J Ivin Paper reference code: A.231 and A.232 Authors' comments to address points raised by the referee [the referee was Cyril Norman Hinshelwood, see RR/75/271 and RR/75/272]. [Both papers published in Proceedings A, 1952]. Date received not given. [1951]