The occurrence of rare elements in coal ashes', by V.M. Goldschmidt. A lecture delivered to the B.C.U.R.A. research staff.

Hand-written notes or summary of a report of a special committee of some unspecified council, possibly of the Royal Society, on the question of a professional register for chemists.

Crystal dynamics of rocksalt', by Kathleen Lonsdale. Reprinted from Nature, vol. 149.

Memorandum by Sir Robert Robertson with regard to the qualifications of Professor James Irvine Orme Masson. With a copy of details of the work done by Masson at the Research Department, Woolwich.

Cordite', by [S.G.] from Discovery.

Robert Abbott Hadfield, 1858-1940'. Obituary notices of Fellows of the Royal Society.

The near infra-red absorption spectrum of heavy water', by Lotte Kellner. Reprinted from the Proceedings of the Royal Society of London, Series A, no. 898, vol. 159

Infra-red spectra and the structure of molecules', by W.H.J. Childs and H.A. Jahn. The substance of a course of lectures delivered at the Royal Institution, 3 November-15 December 1939. Reprinted from Nature, vol. 145.

History in the archives of the Royal Society', by William Bragg. Pilgrim Trust Lecture delivered before the National Academy of Sciences, 24 April 1939. Reprinted from Science, 19 May 1939, vol. 89, no. 2316.

[Sir Robert Robertson] to [Arthur] Marshall. On advice of [Godfrey] Rotter, suggests Mr H.C. Reynard or Mr E.T. Osborne. With typed memorandum on Reynard and pencilled notes on Osborne.

Copy of application for the chair in chemistry at the University College of Wales, Aberystwyth by Dr James Irvine Orme Masson of University College, London.

The rotation-vibration spectra of the lighter hydrocarbons', W.H.J. Childs. Reprinted from the Reports on Progress in Physics, III, the Physical Society.

[Sir Robert Robertson] to Lord Rayleigh. Concerns his appreciation of the latter's presidential address.

Not located

Lord Rayleigh, Chelmsford, to [Sir Joseph Ernest] Petavel. Asks for information regarding the dates a) when Robert Lennox lost his eye and b) of the loss of Curie's radium.

Typescript extract of 'A study of the balance', by Professor Conrady. Taken from the Proceedings of the Royal Society, vol. 101.

[Charles Percy] Snow, Cambridge, to Sir Robert [Robertson]. Asks Sir Robert if he will testify on his behalf in connection with a Stokes studentship. With two testimonials (1930) by Sir Robert on behalf of Snow in that connection and an application for...

Correspondence and papers relating to Professor James Irvine Orme Masson.

Palm oil carotenoids; 2. The isolation of lipoid pigments from a West African plantation oil and some remarks on the isomerization of carotenoids', by R.F. Hunter, A.D. Scott and J.R. Edisbury. Reprinted from The Biological Journal, vol. 36, nos. 7, 8...

Centenary of the Government Laboratory', by A.G. Francis. Reprinted from Nature, vol. 150.