| 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. No demonstrations are listed for the evening. The Royal Society's coat of arms is printed in red on the title page.
Room 1 (Officers' Room):
1. Some effects of alternating magnetism, exhibited by William Morris Mordey.
2. Original microphones and experimental apparatus of David E. Hughes F.R.S., exhibited by the Science Museum, London.
3. Model of sluice of Aswan Dam used in calibrating the sluices of the Dam, exhibited by Harold Edwin Hurst and David Alexander Fraser Watt.
4. A rotoscope, an apparatus by which a rotating object may be rendered continuously visible and yet may appear to be at rest (Dr. E. H. [Edwin] Rayner), exhibited by the National Physical Laboratory.
5. A simple monochromatic illuminator, a differential refractometer, exhibited by Dr. J. J. Fox.
6. Admiralty magnetic charts 1922, effective wave-lengths of stars in relation to spectral type from photographs with the 30-inch reflector, enlarged photographs of Delta Lyrae, chart of variation of latitude at the Royal Observatory Greenwich 1911-1921, enlarged print from a typical plate (obtained with the Cookson floating telescope) for the determination of latitude variation), exhibited by the Royal Observatory, Greenwich.
Room 2 (Council Room):
7. Models of crystal structure as determined by x-ray analysis, exhibited by Sir William Henry Bragg and William Lawrence Bragg.
8. Extension of the graphic methods of organic chemistry based on the law of Valency-volumes and in harmony with the Bragg structure found in the diamond, exhibited by William Barlow.
Room 3 (Old Council Room):
9. Fossil and recent plants from West Greenland, exhibited by the Botany School, Cambridge (Albert Charles Seward and John Walton).
10. Germinating double coconut from the Seychelles, Ficus krishnae, Ecanda rubber from Angola, exhibited by the Royal Botanic Garden, Kew.
11. Specimens and photographs illustrating replacement of the terminal bud in Horse chestnut seedlings, exhibited by Alfred Barton Rendle.
12. Selections from the contents of large prehistoric cooking-places, Buckenham, Tofts Park, Norfolk, exhibited by Miss Nina Frances Layard.
Room 4 (Principal Library):
13. Micro indicator for taking diagrams from high speed engines - together with portable microscopes for viewing the diagrams and enlarged photographs from diagrams, exhibited by the Cambridge & Paul Instrument Company Limited.
14. Change of properties of substances on long drying, exhibited by Herbert Brereton Baker.
15. Demonstration of the recording of wireless telegraphic messages from various Continental stations, radio-telegraphic records, exhibited by Alan Archibald Campbell Swinton.
16. Radiator temperature outfit, Filon aneroid dial, oxygen container, exhibited by the Air Ministry (Instrument Section).
17. A gigantic freshwater gastropod from Wealden Rocks, Dinicochlea ingens B. B. Woodward 1922, exhibited by the Department of Geology, British Museum (Natural History).
18. A simple respiration meter, exhibited by Harold Fisher Pierce..
19. The lysozymic action of tissues and secretions, exhibited by Alexander Fleming.
20. Fluorescence under ultra-violet light, exhibited by the National Physical Laboratory (Dr. Kaye and Dr. [Ezer] Griffiths).
21. Dichroic emulsions described by Holes and Cameron, time reaction in colour change of Congo Red, exhibited by the Research Department, Woolwich.
22. The original portrait of Galileo by Justus Sustermans, in oil, painted for the Pandolfini Palace at Florence when Galileo was about 75 years of age, exhibited by George Hugh Gabb.
23. Native gold recently discovered near Torquay, Devon, exhibited by William Thomas Gordon.
24. Wrought iron currency from the Kisi Country, Sierra Leone Protectorate, West Africa, exhibited by Mr. R. C. Gale and Captain E. R. Macpherson.
25. Roman bronze measure of capacity, exhibited by Mrs. Isabel Clayton.
26. Knives of chert and copper tools of the 1st dynasty 5,400 B.C., wooden statuette of an Egyptian youth VIth dynasty found with alabaster head-rest, the earliest Hebrew papyri and a Greek letter of 18 B.C., exhibited by the British School of Archaeology in Egypt.
27. Preparations showing the endings of nerves in muscles and tendon, exhibited by Nikolai Konstantinovich Kulchitsky and Raymond Arthur Dart.
28. Models and drawings to demonstrate the form of the brain and brain-case and the poise of the head in primitive members of the human family, exhibited by Grafton Elliott Smith and John Irvine Hunter.
29. Specimens of smoke, fog and volcanic or cosmic dust particles from the air, exhibited by the Advisory Committee on Atmospheric Pollution.
30. Effect of pituitary extracts on frog melanophores, exhibited by Lancelot Thomas Hogben and Frank R. Winton.
31. Giant frogs Rana goliath and R. guppyi, tortoise Testudo loveridgii, exhibited by the Department of Zoology, Natural History Museum (Charles Tate Regan and Miss Joan Beauchamp Procter).
32. Results of breeding out a mutant character in the parthenogenetic gastropod Paludestrina jenkinsi, exhibited by Guy Coburn Robson.
33. Model illustrating the presumed resonating mechanism of the cochlea, exhibited by George Wilkinson.
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