A SHORT summer course on rheology will be given at the Polytechnic, Regent Street, London, W.I, during July 28-31. It is specially designed for those engaged on rheological problems in industry, and the lectures will deal with general rheology, as well as with certain special applications. The lecturers will include Dr. G. W. Scott Blair and Dr. L. R. G. Treloar. Particulars may be obtained from Dr. J. Topping, Polytechnic, Regent Street, London, W. I.