Letter from William [Arthur] Bone, Imperial College of Science and Technology, South Kensington, London, S.W.7, to [Robert] Harrison, The Assistant Secretaries, Royal Society, London Agrees with Harrison that a letter he previously sent is open to another interpretation than the one intended, expressing his wish to redraft it entirely. Thanks Harrison for further information respecting the new order about Certified Designations[?]. 18 April 1918