Letter from H L [Hugh Longbourne] Callendar, 49 Grange Road, Ealing, London, to [Joseph] Larmor Discussing a paper of [William Francis Gray] Swann, which has not improved after revision. Callendar reports that Swann was told by W M [William Mitchinson] Hicks that nothing could be omitted or shortened, so Callendar writes that this paper will need to be discussed with the committee again. 27 May 1909