Offprint. (From the Journal of the Royal Statistical Society, vol.LXXIII pt 1, 15 January 1910, 'printed for private circulation', 13pp.) Presentation copy, in grubby condition, with ALS from Yule to Chick, 10 December 1909, on letterhead of the City and Guilds of London Institute, discussing a point bearing on Yule's work in Chick's paper "An investigation of the laws of disinfection" (1908). He encloses a ticket of admission (not present) for Chick to the reading of the paper, in a footnote to the first sentence of which Chick's paper is referred (p.1).
