Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS Informs Sir Dugald Clerk that they have found an address in London for Hilliar and suggests writing to him direct with the referees comments. Notes that there is little need to call a Committee meeting, as the only other paper to consider is the one by Stanton which is still to go to referees. 23 April 1920