| 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 1-9. Commencing with a note on a film to be shown during the evening and an acknowledgement that 'By courtesy of the President and Council of the Geological Society, their rooms have been opened for this occasion'. The catalogue of exhibits begins 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. A field emission electron microscope, exhibited by the Research Laboratories of the General Electric Company Limited.
2. Electrical integration and differentiation of nerve action potentials, rapid thermopiles for muscle-heat measurements, photo-electric coupling of pointer recorder with mirror galvanometer, exhibited by the Biophysics Laboratory, University College, London.
Room 2:
The Mace presented by King Charles II in 1663.
3. Examples showing resupination of flowers and leaves, exhibited by Arthur William Hill, the Director, Royal Botanic Gardens, Kew.
4. Armadillos (Captain Guy Dollman), exhibited by the Department of Zoology, British Museum (Natural History).
5. The fauna of Plymouth Sound, exhibited by the Marine Biological Association.
6. Micromanometer designed to measure 0.000001 inch of water pressure difference.
7. The origin of the garden plum (Mr. M. B. [Montagu Benjamin] Crane and Dr. P. T. Thomas), exhibited by the John Innes Horticultural Institution.
Room 3:
8. Electrodialytic extraction of simple and complex kations from mineral dusts in aerated distilled water (Dr. A. Brammall and Mr. J. G. Leech), surface adsorption of CO2 by powdered quartz (Dr. G. [Gordon] van Praagh), exhibited by Imperial College of Science and Technology.
9. Application of radiography in the study of archaeological material (Dr. H. J. Prenderleith and Mr. A Digby), exhibited by the British Museum Research Laboratory and Department of Ethnography.
10. Avirulent and non-beneficial strains of nodule bacteria from leguminous plants, exhibited by Rothamsted Experimental Station.
11. Methods of obtaining extremely hard metallic materials, non-magnetic steels, 'creep' under sustained load, exhibited by the Brown Firth Research Laboratories (William Herbert Hatfield).
12. The Barkhausen-Kurz oscillations with heavy ions (Mr. J. A. [John Ashworth] Ratcliffe and Mr. W. S. [William Sydney] Elliott), exhibited by the Cavendish Laboratory.
Room 4 (Principal Library):
13. Testimonials in favour of William Jones F.R.S. for a post at Christ's Hospital, exhibited by Mr. G. H. Wyatt.
14. An electrical ergograph, exhibited by Dr. A. Schott.
15. A new form of 'x-ray microscope', exhibited by the Cavendish Laboratory.
16. Automatic balancer, exhibited by the Director of Scientific Research, Air Ministry.
17. Radio-transmitting equipment for use with meteorological sounding balloons, exhibited by the National Physical Laboratory.
18. Nodal symmetry of vibrating square plates, exhibited by Miss Mary Desiree Waller.
19. A heavy-current silica discharge tube of simple construction (Mr. R. F. Barrow), exhibited by Imperial College of Science and Technology.
20. Polarograph, photo-electrically maintained tuning-fork and stroboscope, exhibited by the Cambridge Instrument Company Limited.
21. Apparatus for demonstrating projections of crystal symmetry in a lecture, exhibited by Geoffrey Ingram Taylor.
22. Liquid methane as a source of power (Professor A. C. [Alfred Charles Glyn] Egerton, Professor D. M. [Dudley Maurice] Newitt, and Dr. S. [Siegfried?] Ruhemann), exhibited by Imperial College of Science and Technology.
23. Apparatus and specimens of interest in ferrous metallurgy, exhibited by Sir Robert Hadfield.
24. A set of Laue photographs of crystals of gem minerals, Danburite, a rare gemstone from the Mogok district, Burma, the cut stone exhibited weighs 138.61 carats, kaolinite disks in 'eenie' coals, exhibited by the Department of Mineralogy, British Museum (Natural History).
25. Demonstration of pure cultures of algae and protozoa from the national collection of type-cultures, exhibited by Ernst Georg Pringsheim.
26. The geographic origin of the European beetle of the genus Hispella, exhibited by Samarendra Nath Maulik.
27. The centenary of photography - 1839-1930 - the work of Thomas Wedgwood, Fox Talbot, Reade, Niepce and Daguerrre.
28. Opaque minerals: the recent methods of preparing their polished surfaces and the application of the latest types of optical instruments (Dr. W. R. [William Richard] Jones and Mr. C. A. U. Craven), exhibited by Imperial College of Science and Technology.
29. Camouflage in a bird (Mr. N. B. [Norman Boyd] Kinnear), exhibited by the Department of Zoology, British Museum (Natural History).
30. Turtles stranded on the British coast (Mr. H. W. [Hampton Wildman] Parker), exhibited by the Department of Zoology, British Museum (Natural History).
31. Great and small flint implements, exhibited by John Reid Moir and Mr. J. P. T. [James Percy Tufnell] Burchell.
Room 5:
32. Flexible sponges of the Oligocene age from Ukraine, exhibited by the Department of Geology, British Museum (Natural History).
33. The skull of Diamemodon, exhibited by the Department of Geology, British Museum (Natural History).
34. Casts of skull, lower jaw and other bones of a large fossil amphibian, Cyclotosaurus, exhibited by the Department of Geology, British Museum (Natural History).
35. An apparatus for the quantitative study of the dependence of CO2 assimilation upon variation in stomatal aperture (Mr. O. V. S. [Oscar Victor Sayer] Heath and Professor F. G. [Frederick Gugenheim] Gregory), exhibited by Imperial College of Science and Technology.
36. A mechanical model illustrating the principle of the cyclotron, exhibited by the Science Museum.
37. Lawrence's cyclotron of 1931, exhibited by the Science Museum.
38. Historical development in shipbuilding as evidenced by contemporary models, 60 gun ship built to establishment of 1719, H.M.S. Achilles 60 guns of 1757, exhibited by the Science Museum.
39. Working model to illustrate the cause of changing seasons, exhibited by the Science Museum.
Room 6 (Ground Floor):
40. Rapid spectro-chemical analysis of alloy steels, apparatus for production of second intervals accurate to 10 microseconds, exhibited by the Director of Research, The Admiralty.
41. Clarke extensometer, exhibited by the Director of Scientific Research, Air Ministry.
42. Coal-tar naphtha for the destruction of bed-bugs in flats and homes, exhibited by Mr. S. A. Ashmore, Dr, J. Macmillan and Mr. Alfred Weston McKenny-Hughes.
43. Portrait of Sir Joseph Banks, exhibited by the Hon. Clive Pearson.
44. Engraved portrait of Sir Joseph Banks, portrait of Joseph Banks painted by Thomas Phillips, exhibited by the Royal Society.
Room 7:
45. Study of lamp mounting under vibration conditions using stroboscopic light, wide angle cathode-ray tube, the ignitron, exhibited by the British Thomson-Houston Company.
Room 8:
46. A method of measuring the oxygen consumption of flying insects, the effect of atmospheric pressure on the frequency of wing beats of insects, (Mr. Gottfried Fraenkel and Mr. R. A. Davis), exhibited by Imperial College of Science and Technology.
Room 9 (Meeting Room):
At 9.30 and 10.30 p.m.
The film 'Protuberances solaires cinematiques au pic di midi', by Bernard Lyot, exhibited by Frederick John Marrian Stratton.
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