Letter from [William] Ramsay, University College, Gower Street, London, to [Joseph] Larmor, [Royal Society] Informs that two papers are almost ready, namely "the lighter constituents of the air", by [Herbert Edmeston] Watson and the "An investigation of the heavy constituents of the atmosphere", by [Richard B] Moore, both students at University College. States he should write a preface to each paper. Enquires when the papers may be read. 28 May 1908