Copy letter from Robert William Frederick Harrison, to Lieutenant Colonel William Boog Leishman 'Dear Sir, SOIREE It would be very convenient if you could arrange to bring the six microscopes from the Army Pathological Department. We will provide oil lamps for them, and make a special effort to get good ones. I am, Dear Sir, Faithfully yours, Robt Harrison Asst. Sec. R. S. [Assistant Secretary, Royal Society]'. 12 May 1905