Referee's report by Edward Arthur Milne, on a paper 'Limitations of the Newtonian time scale in relation to non-equilibrium rheological states and a theory of quasi-properties' by J E Caffyn, G W S Blair and B C Veinoglou Sectional committee: Physics Recommended for publication in Proceedings. The introduction is theoretical but there are no errors in it. There is a 'serious misprint' that should be modified. Contains note from Eric Keightley Rideal, who claims that he cannot offer an opinion on the paper. Letter states that he finds no fault with the paper or its arguments. [Published in Proceedings of the Royal Society A, 1947]. Endorsed on vero as received 1 July 1946. 28 June 1946