Copy letter from Robert William Frederick Harrison, to Dr [Frank Watson] Dyson, Fellow of the Royal Society The Chairman of the Mathematics Committee has asked Harrison to send Dyson correspondence on Jeans' paper on 'The potential of ellipsoidal bodies, and the figures of equilibrium of rotating liquid masses' and to say that he is anxious that Dyson should be present at a meeting of the Committee to consider it. 6 November 1914