| 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 additional space is explained in the preamble to the events, which states that 'By courtesy of the President and Council of the Geological Society, their rooms have been opened for the 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. The forms of motion in unstable fluid, film showing the forms of motion in unstable fluid, exhibited by David Brunt.
2. A photoelectric photometer in use with visual purple, exhibited by Leonard Ernest Baylis and Richard James Lythgoe.
3. A trichromatic colorimeter (Mr. R. Donaldson), exhibited by the National Physical Laboratory.
4. Enclosed variable gap interferometer (Mr. J. E. [John Edward] Sears junior and Mr. H. [Henry] Barrell), exhibited by the National Physical Laboratory.
Room 2:
The Mace presented by King Charles II in 1663.
5. The study of certain transformations in alloys (Dr. C. [Charles] Sykes, Dr. E. J. [Evan James] Williams, and Professor W. L. [William Lawrence] Bragg), the structure of phosphotungstic acid related compounds (Mr. J. F. [James Fargher] Keggin, Mr. J. W. Illingworth and Professor [Albert James] A. J. Bradley), exhibited by the Physical Laboratories of the University of Manchester.
6. Photographs and apparatus of William Henry Fox Talbot 1835-1846 (exhibited by kind permission of Miss M. T. Talbot O.B.E.), Hooke microscope c.1675 made by Christopher Cock (exhibited by kind permission of Mr. Thomas A. Court), Hooke's compound microscope (copy), exhibited by the Science Museum.
7. Ultra short wave oscillators working on wavelengths between 2.5 and 6 metres suitable for electro-medical diathermy. Photographs of (a) high powered oscillator for 2.3 to 8.2 metres 1 to 4 kW output and (b) experimental oscillator for wavelengths down to 10cm, sodium vapour lamps, exhibited by the Research Laboratories of the General Electric Company.
8. Exhibit of living marine animals (ecological), exhibited by the Marine Biological Laboratory, Plymouth.
9. A direct reading photoelectric densitometer and the analysis of heavy water, cathode ray oscillograms, exhibited by the Cambridge Instrument Company.
Room 3:
10. A new type of repeating magnetic compass, exhibited by the department of Scientific Research and Experiment (The Admiralty).
11. An automatic instrument for continuously indicating traces of a particular constituent in a mixture of gases or vapours, exhibited by the department of Scientific Research and Experiment (The Admiralty).
12. A modified mercury bath extensimeter for measuring the viscosity and rigidity modulus of flour doughs, exhibited by Research Association of British Flour-Millers and Rothamsted Experimental Station.
13. Photographs showing aerial oxidation of a diamond face, exhibited by the Government Laboratory.
14. Apparatus for measuring the drying power of the atmosphere, apparatus for making stereoscopic photographs with the microscope, exhibited by Dr. J. R. Baker.
15. Some compounds of biological interest related to the sterols, exhibited by the Research Institute of the Cancer Hospital (Free).
16. Breaking of drops of one viscous fluid by motions of another fluid in which they are immersed, exhibited by Geoffrey Ingram Taylor.
Room 4:
17. Magnetic crack detection apparatus, exhibited by the Metropolitan-Vickers Electrical Company Limited.
18. Soil micro-organisms: certain chemical and biological relationships, exhibited by the Rothamsted Experimental Station.
19. A regular frame aerial of variable area receiving 40 cm. wireless waves under water.
20. Twin film polygraph and strobograph, exhibited by Ashley Gordon Lowndes.
21. Principles of automatic control demonstration apparatus, exhibited by Imperial Chemical Industries (Alkali) Limited.
22. Incomplete dominance in poultry, exhibited by Ronald Aylmer Fisher.
23. Portrait of Dr. John Jeffries in pastel by John Russell R.A. (Dr. Jeffries was, with Blanchard, the first to cross the Channel in a balloon on January 7th 1785), exhibited by George Hugh Gabb.
24. Selection of spectrum photographs, exhibited by Messrs. Adam Hilger Limited.
25. Action of toxic substances upon the division of normal and malignant cells in tissue cultures, changes in the physical state of cells demonstrated by dark-ground illumination, new methods of vital staining, exhibited by the Laboratories of the Imperial Cancer Research Fund (Dr. R. J. Ludford).
26. The action of radium on the inorganic structure of the cells of the mammary carcinoma 27 and of the cells of the normal mammary gland of the mouse following microincineration, the cytology of the mammary gland, exhibited by the Laboratories of the Imperial Cancer Research Fund (Dr. E. S. [Eric Stephen] Horning, Beit Memorial Research Fellow).
27. Normal blood vessels of the developing chick (Dr. A. F. W. [Arthur Frederick William] Hughes), effect of gamma rays on blood vessels of the developing chick (Dr. A. F. W. Hughes and Dr. F. G. [Frederick Gordon] Spear), experiments on the development of the cephalic organs of the early chick embryo (Dr. C. H. [Conrad Hal] Waddington and Dr. A. Cohen), exhibited by the Strangeways Research Laboratory.
28. Cathode ray electro-cardiographs, exhibited by Standard Telephones and Cables Limited.
29. Demonstration of the use of a petrological microscope, charts for use in the determination of radiation from non-luminous products of combustion, improved design of contact thermo-couple pyrometer, the poem 'Ferrum' composed in 1717 A.D., by Father Xavier de la Sante, bronze group by Frederick James Halnon, specimen blades of 'A.T.V.' (acier turbine vapeur) steel, exhibited by Sir Robert Hadfield.
30. Silica-glass and wind-worn rocks from the Libyan desert (Dr. L. J. Spencer), exhibited by the British Museum (Natural History) Department of Mineralogy.
31. Auroral photographs from the British Polar Year Station, Fort Rae, N.W. Canada 1932-33, exhibited by the Meteorological Office.
32. Chameleons from the mountains of East Africa (Mr. H. W. [Hampton Wildman] Parker), the significance of some differences between the sexes of the hairy frog (Trichobatrachus robustus, Boulenger) (Mr. H. W. Parker), inherited asymmetry in hermit crabs (Mr. J. D. [James David] Macdonald).
Room 5:
33. Decay in timber in relation to rate of development of the Death-watch beetle Xestobium rufovillosum De G., exhibited by the Forest Products Research Laboratory.
34. Mounted skeletons of a bipedal dinosaur Hypsilophodon (Dr. W. E. [William Elgin] Swinton), exhibited by the British Museum (Natural History) Department of Geology.
35. Photomicrographic methods in the fine arts, exhibited by the Research Laboratory, British Museum and the Research Laboratory, National Gallery.
36. Experiments on plumage, exhibited by Dr. R. K Callow, Dr. J. W. Cook, Dr. ED. C. Dodds, Dr. A. W. Greenwood, and Alan Sterling Parkes.
37. Cactoid Euphorbias from South Africa, exhibited by Arthur William Hill, the Director, Royal Botanic Gardens, Kew.
38. The spiralization of chromosomes (Dr. C. D. Darlington), inherited flower abnormalities in Primula sinesis and P. kewensis (Dr. F. G. [Friedrich Gustav] Brieger, Miss D. [Dorothea] de Winton and Miss C. [Caroline] Pellew), exhibited by the John Innes Horticultural Institute.
Room 6:
39. Apparatus used in research into the psychological and physiological qualities necessary in motor drivers, exhibited by the National Institute of Industrial Research.
40. Measurement of alternating currents at frequencies up to 75 megacycles, the maintenance of short wave oscillations by means of a plane diode, exhibited by Charles LeGeyt Fortescue.
41. Synthetic resins, corrosion of metals, exhibited by the Chemical Research Laboratory of the Department of Scientific and Industrial Research.
Room 7:
42. Demonstration of cineradiography, exhibited by Russell Reynolds.
Room 8:
43. Electron diffraction and the structure of thin films and surfaces, exhibited by George Ingle Finch.
44. Demonstration of flash magnetisation, simplified calorimeter vessel for cordite, exhibited by the Research Department, Woolwich.
45. Production of artificial radioactive bodies by the action of neutrons (Mr. C. H. [Carl] Westcott), exhibited by the Cavendish Laboratory, Cambridge.
Room 9:
Lecture at 9.45 p.m.
The Berger rhythm: electric changes arising in the brain, exhibited by Edgar Douglas Adrian.
Lecture at 10.30 p.m.
Dr, Robert Hooke F.R.S., exhibited by Walter Adams.
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