Copy letter from Robert William Frederick Harrison, to Sir William Macewan, Fellow of the Royal Society, 3 Woodside Crescent, Glasgow 'My dear Sir, In reply to your note, I know nothing at present to hinder your projected paper being taken on June 7th, and I will make a note that it may be expected. The sooner you can send it in the more convenient it will be for the Secretaries in arranging the lists of papers to be read. Believe me, truly yours, Robt [Robert] Harrison Asst Sec R.S. [Assistant Secretary, Royal Society]'. 12 May 1906