| 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 1-4 and Ground Floor. Commencing with a note of lantern slide displays taking place at a specific time during the evening. The title page bears the pencil inscription: 'There were no Soirees during the years of the war - 1915-1918 inclusive'.
The programme begins with a separate (undated) inserted printed sheet, noting a single unnumbered exhibit:
Principal Library:
Specimens illustrating somatic segregation, exhibited by the John Innes Horticultural Institution.
Room 1 (Officers' Room):
1. Instruments for measuring minute susceptibilities including a portable instrument for survey work, exhibited by Ernest Wilson.
2. Apparatus for the determination of the absolute viscosities of liquids at high pressures (designed by Mr. J. H. Hyde; method suggested by Dr. T. E. [Thomas Ernest] Stanton F.R.S.), three-electrode vacuum tube with circuits arranged to produce oscillations of telephone frequency (Mr. F. E. [Frank Edward] Smith F.R.S.), plotting chronograph thermal curves and model relating to ternary alloys (Dr. W. [Walter] Rosenhain F.R.S.) , exhibited by the National Physical Laboratory.
Room 2 (Council Room):
3. Photographs taken with the 72-inch reflector of the new observatory, Victoria, British Columbia, by J. S. [John Stanley] Plaskett, exhibited by the Royal Astronomical Society.
4. Dr. G. E. [George Ellery] Hale's photographs of the Zeeman Effect in the spectra of sunspots, exhibited by Hugh Frank Newall.
5. Photographs of Nova Aquilla III 13th June 1918 and displaced spectra of Alpha Cygni, photographs of the Sun's disc (a) in integrated blue light (negative) (b) in K232 calcium light (positive, photographs of Nova Geminorum II 15th March-29th April 1912 showing the changes in stellar type from absorption characteristic of Alpha Cygni to that characteristic of Gamma Orionis, exhibited by the Solar Physics Laboratory, Cambridge.
6. Apparatus used in the measurement of the growth of trees, exhibited by Henry Reginald Arnulph Mallock.
7. The detection of defects in aeroplane timber by the x-rays, exhibited by Major George William Clarkson Kaye and Dr. R. Knox.
8. Photographs of British military cemeteries in France, exhibited by Arthur William Hill, the Assistant Director, Royal Gardens, Kew.
Room 3 (Old Council Room):
9. Army form of apparatus for continuous oxygen administration, exhibited by John Scott Haldane.
10. The treatment of chronic cases of gas poisoning by means of continuous inhalation of oxygen, exhibited by Joseph Barcroft.
11. Liquid oxygen container (50lbs capacity) and liquid oxygen vaporizer flask (5 litre), exhibited by the Director of Research, Air Ministry.
12. Standard and research aeronautical instruments, exhibited by the Royal Aircraft Establishment, Farnborough.
13. Photographs, &c., illustrating pressure in explosions, exhibited by Sir William Garforth.
Room 4 (Principal Library):
14. Methods of observing spirochaetes by dark-ground illumination, exhibited by Joseph Edwin Barnard.
15. Methods employed in the study of wound infections, exhibited by Sir Almroth Edward Wright, Leonard Colebrook and Alexander Fleming.
16. Portable apparatus for measuring air currents, exhibited by John Turner MacGregor-Morris.
17. Illustrations of the structure of the atmosphere on selected occasions, exhibited by Sir William Napier Shaw.
18. Weather study during the War, exhibited by the Meteorological Office.
19. Quasi-continuous temperature recording apparatus for clinical use and specimens of records obtained, exhibited by German Sims Woodhead and Pendrill Charles Varrier Jones.
20. Dr. G A Shakespear's katharometer for measuring the purity of gases, experiments demonstrating the effect of vibration of the pivot on the stability of a pendulum, exhibited by the Cambridge Scientific Instrument Company Limited.
21. Living marine animals illustrating the fauna of Plymouth Sound, exhibited by Edgar Johnson Allen, for the Marine Biological Association.
22. Rapidly moving striated discharge in neon and helium, exhibited by Francis William Aston.
23. Stereoscopic photographs of the tracks of ionising particles through the air, photographic record of the changes in the electric potential gradient during a thunderstorm, exhibited by Charles Thomson Rees Wilson.
24. 'Mineral Yeast', used in Germany during the War for human food, exhibited by Alfred Chaston Chapman.
25. Demonstration illustrating the experimental transmission of Bilharzia infections of Man, exhibited by Robert Thomson Leiper.
26. Specimens and drawings illustrating the development of certain Coelenterates and Echinoderms, exhibited by James Fairlie Gemmill.
27. Artificially produced abnormal Echinoderm larvae, exhibited by Ernest William MacBride.
28. Frog and tadpoles obtained by artificial parthenogenesis, exhibited by Edwin Stephen Goodrich and Mr. A. F. Coventry.
29. Some living exhibits from the Biological Station, exhibited by Millport Biological Station.
30. Models of fishes illustrating adaptive modifications in related genera, exhibited by Charles Tate Regan.
31. Families of the African Papilio dardanalus (merope) with the female parents, exhibited by Edward Bagnall Poulton.
32. Portrait of Dr. John Jeffries in pastel by John Russel R.A. Dr. Jeffries was, with Blanchard, the first to cross the Channel in a balloon, on 7 January 1785, exhibited by George Hugh Gabb.
33. Oil painting - 'A League of Nations', exhibited by Arthur Schuster.
Ground Floor. Archives Room (Corridor):
34. Vibrations, forced and coupled, exhibited by Edwin Henry Barton and Miss H. M. Browning.
35. Mechanical and optical apparatus for measuring and inspecting screw gauges (Metrology Department), exhibited by the National Physical Laboratory.
Committee Room (Corridor):
36. War research on nitrogen fixation, exhibited by the Munitions Inventions Department.
37. Stereoscopic radiographs of large carbon electrodes, exhibited by Sir Robert Hadfield.
Meeting Room.
The following demonstrations will take place at the times specified.
At 9.30 o'clock.
The detection of defects in aeroplane timber by the x-rays, exhibited by Major George William Clarkson Kaye.
At 10.30 o'clock.
Biological factors in the spread and control of Bilharziasis, exhibited by Robert Thomson Leiper.
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