| 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. The liquid helium fountain, exhibited by the Cavendish Laboratory.
2. Colour measurement, exhibited by Rothamsted Experimental Station.
3. A new form of quartz oscillator for use as a standard of frequency and time (Mr. L. Essen), exhibited by the National Physical Laboratory.
Room 2:
The Mace presented by King Charles II in 1663.
4. A forester's sundial stick made by a Nepalese astrologer at Kalimpong near Darjeeling from the wood of Michelia champaca L., (Sir Arthur Hill), a series of specimens to show the evolution of the Southern African Grapple Fruit Harpagophytum procumbens DC (Padeliaceae) (Dr. J. Hutchinson), exhibuited by the Director, Royal Botanic Gardens, Kew.
5. Apparatus specially designed for photographic research, exhibited by the Research Laboratories of Messrs. Ilford Limited.
6. Developments in ferrous metallurgy relating to materials and methods of examination and testing, exhibited by the Brown-Firth Research Laboratories.
7. High-speed recurrent surge oscillograph, exhibited by the British Thomson-Houston Company Limited.
8. Arc ignition in pool cathode tubes, a shield grid thyraton, exhibited by the British Thomson-Houston Company Limited.
9. Miner's pneumatic lighting unit using mercury discharge lamp, exhibited by the British Thomson-Houston Company Limited.
Room 3:
10. Experimental results obtained from the investigation of order-disorder transformations in alloys, exhibited by the Metropolitan-Vickers Electrical Company Limited.
11. Prehensile tails in mammals (Captain Guy Dollman), exhibited by the Department of Zoology, British Museum (Natural History).
12. The ecology of Plymouth echinoderns, exhibited by the Marine Biological Association.
13. Factors governing migration and accumulation of petroleum, exhibited by Vincent Charles Illing.
14. Timber from foundations of Waterloo Bridge, exhibited by Messrs. W. W. Howard Brothers & Company and Messrs. John Mowlem & Company.
15. Acoustical strain gauge, exhibited by the Director of Building Research, Department of Scientific and Industrial Research.
Room 4 (Principal Library):
16. X-ray pictures of material in the department, exhibited by the Department of Zoology, British Museum (Natural History).
17. New methods for sampling industrial dusts, exhibited by Henry Vincent Aird Briscoe.
18. Demonstration of virus bodies within the living cells of the Chorio-Allantoic membrane by oblique incident illumination, exhibited by Freddy Himmelweit and Mr. J. Smiles.
19. Discharge tubes for the production of the spectra of molecules with high intensity, exhibited by Reginald William Blake Pearse and Alfred Gordon Gaydon.
20. Disintegration of liquid surfaces in high electric fields, exhibited by the British Electrical and Allied Industries Research Association.
21. Abnormal spindles in pollen mother-cells and their consequences in Rubus pyrus and Lolium (Mr. M. B. [Morley Benjamin] Crane and Dr. P. T. Thomas), exhibited by the John Innes Horticultural Institution.
22. Genetics and chemistry of Anthocyanin pigmentation in Streptcarpus (Mr. W. J. C Lawrence and Mr. J. R. Price), exhibited by the John Innes Horticultural Institution.
23. The physical laboratory of the Academy of Sciences Paris in 1711. An original drawing in red crayon, bristre, pen and wash by Sebastien LeClerc (1637-1714), exhibited by George Hugh Gabb.
24. A thyratron counter chronograph, exhibited by the Directorate of Ballistics Research, Research Department, Woolwich.
25. A simplified method of ultra-violet light microscopy, exhibited by Joseph Edwin Barnard.
26. The Cambridge stereo comparator, exhibited by the Ordnance Survey and the Cambridge Instrument Company Limited.
27. An apparatus for continuously recording gaseous exchange in air, exhibited by Dr. A. Schott.
28. Demonstrations of new metallurgical instruments and testing methods, exhibited by Sir Robert Hadfield.
29. A model to illustrate the crystal structure of Orthoclase, Osbornite a rare mineral found in meteorites, Russelite a new British mineral, specimens collected by the John Murray Expedition 1933-34, exhibited by the British Museum (Natural History) Department of Mineralogy.
30. The correlation between colour-pattern and structure in insects, exhibited by Samarendra Nath Maulik.
31. Phalangeal reduction and compensation in frogs (Mr. H. W. [Hamilton Wildman] Parker), exhibited by the Department of Zoology, British Museum (Natural History).
32. Didymozoon, a curious Trematode parasite of the Mackerel (Dr. H. A. [Harry Arnold] Baylis), exhibited by the Department of Zoology, British Museum (Natural History).
33. A late eighteenth century microscope (c.1775) in wooden case and with original slides, a late eighteenth telescope (c.1780) on a brass tripod stand as used in garden temples, exhibited by Professor A. E. Richardson.
34. Arithmaurel calculating machine (1854), exhibited by the Science Museum.
35. Selling's calculating machine (1886), exhibited by the Science Museum.
36. John Hadley's original Gregorian reflecting telescope 1726, exhibited by the Science Museum.
37. Exhibits of scientific historical interest, exhibited by Robert Stewart Whipple.
38. Flint implements and pieces of coarse pottery from geological deposits in the Lower Thames Valley and at Ipswich, Suffolk, exhibited by Mr. J. P. T. Burchell and James Reid Moir.
39. Antiquities from the Near East, exhibited by the British Museum Research Laboratory.
40. Cyclopropane manufacture and use as a general anaesthetic, exhibited by Imperial Chemical Industries Limited.
Room 5:
41. High pressure liquid phase polymerisation, exhibited by Dudley Maurice Newitt and Dr. R. Sapiro.
42. Geological model of Bolton's Brickyard, Ipswich, exhibited by George Slater.
43. Torsional tests on concrete beams and their geological applications, exhibited by Mr. W. T. Marshall and Francis George Henry Blyth.
44. Rock specimens collected by Mr. A. G. [Archibald Gordon] MacGregor during the Royal Society's Expedition to Monserrat, exhibited by the Geological Survey and Museum.
45. A diorama of the Lake District illustrating the connexion between geology and scenery, exhibited by the Geological Survey and Museum.
46. R.A.E. detonation unit and meter, exhibited by the Director of Scientific Research, Air Ministry.
Room 6 (Ground Floor):
47. Investigation of appearance of lighted streets by the method of double projection, exhibited by the Research Laboratories of the General Electric Company Limited.
48. Investigation of spot size and shape in cathode ray tubes, exhibited by the Research Laboratories of the General Electric Company Limited.
49. Some factors influencing sensory thresholds, exhibited by the Cambridge Psychological Laboratory.
50. The effects of knowledge of results on learning and performance, exhibited by the Cambridge Psychological Laboratory.
51. A new for of memory apparatus and an investigation of the accuracy of recall, exhibited by the Cambridge Psychological Laboratory.
Room 7:
52. Ripple-tank demonstration of sound transmission through partitions and flanking walls in a building (Dr. G. W. C. [George William Clarkson] Kaye and Dr. J. E. R. Constable), exhibited by the National Physical Laboratory.
53. Visual demonstration of the spectral analysis of noise, (Dr. G. W. C. [George William Clarkson] Kaye and Dr. J. E. R. Constable), exhibited by the National Physical Laboratory.
Room 8:
54. Demonstration of the storage principle in the Emitron, exhibited by the Research Laboratories, Electric and Musical Industries Limited.
Room 9 (Meeting Room):
A film will be shown as under:
At 9.30 and 10.30 p.m.
The growth of roots, exhibited by Edward James Salisbury.
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