Copy letter from Robert William Frederick Harrison to Dr T [Thomson] J [John] l'Anson Bromwich FRS 'With reference to the paper by Mr T Smith entitles "Notes on a generalization of the sine conditions and on the ideal lens" which was referred to you on December 13 last, I should be much obliged if you would kindly return the paper together with your report thereon before next Wednesday, as on that day there will be a meeting of the Sectional Committee to consider it.' 15 January 1913