| Description | Brief listing of exhibits and exhibitors at the Royal Society's annual displays at Burlington House, London, with descriptive text. Arranged by rooms. Rooms 1-6 and the Meeting Room. Commencing with a note of demonstrations taking place at specific times during the evening. The Royal Society coat of arms is printed in red on the title page. The catalogue concludes with a disclaimer: 'The descriptions of Exhibits in this Catalogue are supplied by the Exhibitors, who alone are responsible for their accuracy'.
Room 1:
1. Microscopes for use with ultra-violet light, from the Department of Applied Optics, National Institute for Medical Research, exhibited by Joseph Edwin Barnard.
2. Experiments on the physiology and genetics of the covered smuts of oats and barley (Mr. S. Dickenson), Rothamsted Experimental Station, Harpenden (Department of Mycology).
3. The Sun's corona. Maximum, minimum and intermediate types, exhibited by Frank Dyson, the Astronomer Royal.
Room 2 (Reception Room):
Mace of the Royal Society. Presented by King Charles II in 1663.
4. Cushion plants from the Andes, exhibited by the Royal Botanic Gardens, Kew.
5. Total eclipse of the Sun. Model of the shadow near the Earth's surface, model of the Moon and its shadow (Dr. E. H. [Edwin] Rayner), exhibited by the National Physical Laboratory.
Room 3:
6. Exhibition of the skin of a new species of cheetah or hunting leopard from Rhodesia [Zimbabwe], exhibited by Reginald Innes Pocock.
7. Metallography of solid mercury (Dr. W. [Walter] Rosenhain, and Mr. A. J. Murphy), specimens of metals of high purity prepared at the National Physical Laboratory (Metallurgy Department) exhibited by the National Physical Laboratory.
8. A magnetometer of the null type, improved form of Paschen galvanometer, apparatus for recording radiation from the sky, exhibited by the Cambridge Instrument Company Limited.
Room 4 (Principal Library):
9. Ultra-violet radiation applied to the detection of impurities in distilled water, etc., the detection and estimation of minute quantities of arsenic with the aid of ultra-violet radiation, exhibited by Mr. A. A. King.
10. Apparatus for comparing the yield of soft x-rays from different substances, exhibited by Owen Willans Richardson and Mr. F. S. Robertson.
11. Apparatus for precision measurements of circuit efficiencies as used on the Anglo-American transatlantic telephone service, photographs of telephone equipment at the Rugby Radio Station used for the Anglo-American transatlantic telephone service, exhibited by the International Standard Electric Corporation.
12. Relief vegetation map of Africa (Mr. R, D'O [Ronald D'Oyley] Good), exhibited by the Department of Botany, British Museum (Natural History).
13. Bones of the hind-limb of Rhodesian Man including the left innominate bone restored, the femur and the tibia, plaster cast of a nest of dinosaur eggs, plaster cast and part of skull of a new Stegocephalian, exhibited by the Department of Geology, British Museum (Natural History).
14. The original astrological planisphere of Queen Elizabeth - circa 1560-70, exhibited by George Hugh Gabb.
15. Model demonstrating flow of lubricant in bearing, exhibited by Bernard Parker Haigh and Mr. F. W. Thorne.
16. A rapid bolometer made by spluttering on thin collodion films, exhibited by Mr. H. Dewhurst.
17. A new type of electric discharge, exhibited by the British Thomson-Houston Company Limited.
18. Specimens illustrating special properties and applications of ferrous alloys, medallion portrait of Robert Boyle F.R.S (1627-1691), exhibited by Sir Robert Hadfield.
19. A new thermostat, exhibited by Lieutenant-Commander Francis John Campbell Allen and Mr. A. E. Salisbury.
20. Experimental production of a double water-vascular system in the larvae of the sea-urchin (Echinus miliaris), exhibited by Ernest William MacBride.
21. Experimental germ-weakening in tadpoles. Repetition of Tornier's experiments, exhibited by Ernest William MacBride and Humphrey Robert Hewer.
22. The origin of fatuoid or false wild oats, exhibited by Charles Leonard Huskins.
23. Preparations illustrating the feeding mechanisms in the higher crustacea, exhibited by Herbert Graham Cannon.
24. Large rock salt prism made at the Government Laboratory, exhibited by Sir Robert Robertson.
25. Effect of cytotoxic sera on cancer cells and normal tissue respectively, exhibited by Thomas Lumsden.
26. New material of the Silurian Echinoidea Echinocystis and Palaeodiscus, exhibited by Herbert Leader Hawkins.
27. Mounted preparations and sections of dendroid graptolites, exhibited by Oliver Meredith Boone Bulman.
28. Balls of fibres etc., formed by wave-action (Mr. J. R. Norman), correlation of colour with environment in mammals (Mr. M. A. C. [Martin Alistair Campbell] Hinton), some peculiarities in the blood system of Cetacea (Mr. G. R. Brook), exhibited by the Department of Zoology, British Museum (Natural History).
Room 5 Ground Floor (Corridor):
29. A method of measuring the vacuum in lamps due to Dr. P. Selenyi (Mr. J. T. [John Turton] Randall), new methods of using gas-filled photoelectric cells (Mr. N. R. [Norman Robert] Campbell), thermionic emission from adsorbed layers of barium on tungsten (J. W. Ryde and A. C. [Albert Charles] Bartlett), exhibited by the Research Laboratories of the General Electric Company.
Room 6:
30. Gas analysis apparatus utilising high-frequency vibrations. demonstration of the method of estimating flame temperature by spectrum line reversal, (Ezer Griffiths and Mr. J. H. Awbery), exhibited by the National Physical Laboratory.
Meeting Room:
Demonstrations -
At 9.15 and 10.30 o'clock.
Cinematograph films and lantern slides illustrating the courtship of birds, exhibited by Francis Martin Duncan and David Seth-Smith, by permission of the Zoological Society of London.
At 9.50 o'clock.
Experimental demonstration of the phenomena of 'interaction', exhibited by Sir Almroth Wright.
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