| 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. The preamble to the catalogue of exhibits states that 'By courtesy of the President and Council of the Geological Society, their rooms have been opened for this occasion'. The programme also commences with a notice of lectures taking place during the evening and a note of an additional exhibit: 'The three Royal Charters granted by King Charles II and the Charter Book of the Royal Society are exhibited on the landing at the top of the principal staircase'.
Room 1:
1. Two new filterable organisms, exhibited by Sir Patrick Laidlaw and William Joseph Elford.
2. Some properties of pure bacteriophages. Demonstration of the appearence of a bacteriophage suspension under the ultramicroscope, exhibited by William James Elford and Dr. M. Schlesinger.
3. Spectra of electric discharges in mercury vapour at high and medium pressures, special discharge lamp for use in the stroboscopic examination of moving machinery, fluorescence of materials excited by the 3650 line obtained from the mercury vapour discharge, exhibited by the British Thomson-Houston Company Limited.
4. Some apparatus for psychological experiments, exhibited by the Psychological Laboratory, Cambridge.
Room 2:
The Mace presented by King Charles II in 1663.
5. Models and molecular contour maps illustrating some recently determined organic crystal structures (Dr. J. M. [John Monteath] Robertson and Dr. R. P. [Reginald Patrick] Linstead), exhibited by the Davy Faraday Laboratory.
6. The influence of temperature and composition upon the fluidity of iron and steel alloys, exhibited by the Department of Metallurgy, the University of Sheffield (Professor J. H. [John Harold] Andrew, Mr. R. T. Percival, and Mr. G. T. C. Bottomley).
7. A striking aberration of the Somali pigmy leopard (Panthera pardus nanopardus) from French Somaliland (Captain Guy Dollman), exhibited by the Department of Zoology, British Museum (Natural History).
8. Experiments with slow neutrons, Philip Burton Moon, Mr. J. R. Tillman and Charles Eryl Wynn-Williams.
9. The Blackburn network calculator, exhibited by Messrs. Merz and McLellan.
10. Cambridge instantaneous recording optical pyrometer, exhibited by the Cambridge Instrument Company.
11. Electrolytic resistance meter with automatic temperature compensation, exhibited by the Cambridge Instrument Company Limited and Dr. H. S. Hatfield.
Room 3:
12. The control of radiant heat, exhibited by Guy Pascoe Crowden.
13. Photographs of a conical-headed 2-pdr., shell in flight, exhibited by the Research Department, Woolwich (Directorate of Ballistics Research).
14. The surface temperature of sliding metals, surface flow, polish and the formation of the Beilby layer, exhibited by Frank Philip Bowden.
15. Tests for chemical laboratory assistants, exhibited by the National Institute of Industrial Psychiatry.
16. Ecology of a rocky sea-shore, exhibited by the Marine Biological Association of the United Kingdom.
17. Automatic pen recorder for infra-red spectra, exhibited by Sir Robert Robertson, Dr. J. J. Fox and Dr. A. E. Martin.
18. Oxalis tuberosa correlation of flower forms with tuber colours, adventitious buds on hyptocotyls, exhibited by Arthur William Hill, the Director, Royal Botanic Gardens, Kew.
Room 4 (Principal Library):
19. Photomicrographs of nerve endings in human skin, exhibited by Herbert Henry Woollard.
20. An experiment with liquid helium, susceptibility of a superconductor, exhibited by David Shoenberg.
21. Demonstration of recent work on luminescent materials, exhibited by the Research Laboratories of the General Electric Company.
22. Micro-methods for the analysis of heavy hydrogen and heavy water, exhibited by Adalbert Farkas in collaboration with Ladislas Farkas.
23. X-ray studies of protein structures, exhibited by William Thomas Astbury.
24. Photo-electric measurement of oxygen content in small quantities of blood, exhibited by Glenn Allan Millikan.
(not numbered). Bust of Michael Faraday by Mrs Feridah Forbes, presented to the Royal Society by Sir Robert Hadfield, exhibited by the Royal Society.
25. Head of John Evelyn F.R.S. one of the founders of the Royal Society, carved in oak in high relief, exhibited by George Hugh Gabb.
26. The nature of the response of certain insect receptors to auditory stimuli, exhibited by Richard Julius Pumphrey and Mr. A. F. Rawdon-Smith.
27. Pure tone photo-acoustic siren, exhibited by Hamilton Hartridge, Charles Skinner Hallpike and Mr. A. F. Rawdon-Smith.
28. The coagulation of smoke by sound waves, exhibited by Edward Neville da Costs Andrade.
29. Cossor-Robertson cardiograph, exhibited by Douglas Robertson.
30. Testing apparatus and specimens of metallurgical interest, exhibited by Sir Robert Hadfield.
31. Ancient Chinese glass, exhibited by Charles Gabriel Seligman, Mr. H. Beck and Dr. P. D. Ritchie.
32. Hormones controlling growth in an insect, exhibited Vincent Brian Wigglesworth (London School of Hygiene and Tropical Medicine).
33. Volcanic rocks from Turkana, Kenya Colony, crystals of gypsum and calcium oxalate from deep-sea deposits, Ettringite from Scawt Hill, Co. Antrim, Northern Ireland, mineral specimens illustrating (a) interrupted crystal growth (ghosts and zoned inclusions) and (b) Buerger's lineage theory of crystal growth, minerals used as pigments, dissociation of 'zeolitic' compounds, an improved gas washer, exhibited by the British Museum (Natural History) Department of Mineralogy.
34. Seasonal circulation of the Antarctic macro-plankton, exhibited by the 'Discovery' Investigations.
35. Colonies of fleas under controlled conditions of environment, exhibited by Patrick Alfred Buxton (London School of Hygiene and Tropical Medicine).
36. Preparations showing the structure of the middle and the internal ear, exhibited by Eric William Peet.
Room 5:
37. The detection of small quantities of radioactive substances (Professor F. L. [Frank Lloyd] Hopwood and staff), exhibited by the Physics Department of St. Bartholomew's Hospital.
38. New ultra-violet spectrophotometer, exhibited by Adam Hilger Limited.
39. An experimental ultra-centrifuge, exhibited by Herbert C. Pollock and Carl Howard Collie.
40. Beneficial and non-beneficial strains of clover nodule bacteria (Dr. H. G. [Henry Gerard] Thornton and Dr. H. [Hugh] Nicol), exhibited by the Rothamsted Experimental Station.
41. Method for the continuous estimation of very minute outputs of carbon dioxide by plants, exhibited by Mr. R. G. Newton.
42. A model illustrating the working of a cathode ray tube in a modern television receiver, exhibited by the Research Laboratories of the General Electric Company.
43. Air borne drag balance, exhibited by the Department of Scientific Research, Air Ministry.
Room 6 (Ground Floor):
44. A versatile cathode ray oscillograph apparatus, and applications to iron testing, exhibited by Dr. C. R. Cosens.
45. New type of magnetic force inductor, new type of recording magnetometer, vibration galvanometer working on the Wiedemann effect, exhibited by the Department of Scientific Research and Experiment, Admiralty.
46. Model anchors, exhibited by Geoffrey Ingram Taylor.
47. Disintegration of the deuteron (nucleus of heavy hydrogen) by gamma rays, some experiments with slow neutrons, exhibited by Maurice Goldhaber.
48. 'Scale of two' valve counter, exhibited by Wilfred Bennett Lewis.
49. The rasping dentition of a larval Coecilian, exhibited by Hampton Wildman Parker.
Room 7:
50. Models illustrating noise abatement in houses (Dr. G. W. C. [George William Clarkson] Kaye and Dr. J. E. R. Constable), exhibited by the National Physical Laboratory.
Room 8:
51. Electrolytic resistance thermometer employing an aural method of reading, exhibited by Professor J. W. Munro and Mr. E. C. Stanley.
52. 'Standard-Sunbury' cathode ray engine indicator, exhibited by the Standard Telephones and Cables Limited.
53. Electric balance for force measurements (Mr. E. F. [Ernest Frederick] Relf and Mr. G. A. McMillan), exhibited by the National Physical Laboratory.
54. Simplified micro analysis of gases, exhibited by the Research Department, Woolwich (Directorate of Explosives Research).
55. Modified impedance method of detecting flaws in metals, exhibited by the Research Department, Woolwich (Directorate of Radiological Research).
Room 9 (Meeting Room):
Films will be shown as under:
At 9.45 p.m.
Model anchors (for description see exhibit no.46), exhibited by Geoffrey Ingram Taylor.
At 10.30 p.m.
The flow of air round aircraft and various other bodies, exhibited by Hebbebt Charles Henry Townend (of the National Physical Laboratory).
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