The effect of sewage on brown trout (Salmo Trutta L.)' by J. Lougwell and F.T.K. Pentelow. Reprinted from the Journal of Experimental Biology, vol. XII, no. 1.

Simultaneous oscillations of a piezo-electric quartz at two frequencies', by A. Pande, M. Pancholy and S. Parthasarathy. Reprinted from the Journal of Scientific and Industrial Research, vol. 3, no. 2.

Science during the King's reign: a record of wonderful achievements'. Newspaper review of an address to the Society of Engineers by Sir Frank Smith.

Three items: a) 'Report of the Chemical Services Committee', 1920. b) 'Journal of the Royal Society of Arts', no. 3733, 6 June 1924, Vol. LXXII. c) 'The role of chemistry in the advancement of India', by H.B. Dunnicliff. A presidential address to the c...

The spectrographic determination of trace elements in soils; I. The cathode layer arc', by R.L. Mitchell. Reprinted from the Journal of the Society of Chemical Industry, vol. LIX.

Thermal fatigue in metals', by W. Boas and R.W.K. Honeycombe. Reprinted from Nature, vol. 154.

Memorandum by [Sir Robert Robertson] on the 106 fuse devised by [Godfrey] Rotter.

The thickness of air-formed oxide films on iron', by W.H.J. Vernon, F.W. Ormwell and T.J. Nurse. Reprinted from the Journal of the Chemical Society.

Society and "practical man".' An article in State Service. (Journal of the Institute of Professional Civil Servants). No author given.

Testimonial by [Sir Robert Robertson] in favour of Mr E. Garrett for a post as inspector of alkali works.

Newton and chemistry', by Douglas Mackie. Reprinted from Endeavour, vol. I, no. 4.

Papers relating to Dr Hugh Edmund Watts.

[Professor] Frederick George Donnan, University of London to Sir Robert Robertson. Encloses a copy of an oration delivered by Professor Schreinemakers at Leiden when [Francis Arthur] Freeth received a doctorate of the university. With a copy letter, 23...

[Alexander] Maxwell, Home Office, to [Sir Robert] enclosing a memorandum on the vacancy for an Inspector of explosives which refers to the candidates and their suitability.

A copy of an application for the post of Principal of the University College, Hull, from George Stanley Withers Marlow, London.

Sidney Waterfield Bunker to Sir Robert Robertson. Asks for support in gaining an appointment in England. With a summary of details of his career.

Testimonial by Sir Robert Robertson on behalf of Dr James Irvine Orme Masson, University College, London in connection with an application for the chair of chemistry at the University of Leeds. With a copy of the application and a letter, 19 December 1...

E.P. Clemmov to [Sir Robert] Robertson on behalf of his sister, Edith Marion Clemmov, maths mistress at Brondesbury and Kilburn High School. Asks for assistance in finding her an appointment and encloses a brief account of her education and work experi...

Man and masses', by F.R. Seymour. A Chadwick Lecture. Reprinted from The Medical Officer.

Announcement of the Department of Chemistry for 1929-1930. Cornell University official publication, vol. XX, no. 13.