Copy letter from Herbert Rix, to Professor Harold Baily Dixon, Fellow of the Royal Society Before Rix puts Dixon's letter in hand he would like to know if Dixon considers it distinctly advisable to show the small squares. Lord Rayleigh [John William Strutt] thinks this hardly necessary but is nevertheless quite willing to meet Dixon's views. The expense would perhaps be a couple of pounds, which the Society will not grudge if it will really add to the value of the paper. [October 1892]