| 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 1-5 and Ground Floor. Commencing with a note of a lantern slide display taking place at a specific time during the evening.
Room 1 (Officers' Room):
1. An electrical influence machine (alternating and experimental), exhibited by James Wimshurst.
2. The Trotter curve ranger, exhibited by Alexander Pelham Trotter.
Room 2 (The Office):
3. Map showing the probable connection of lines towards which the magnet is attracted in England and France, exhibited by Arthur William Rucker and Thomas Edward Thorpe.
4. Specimens illustrating the phosphatic chalks in England, France, and Belgium, arranged by Aubrey Strahan, illustrations of a former Arctic climate in the lowlands of Scotland, determined by Clement Reid, exhibited by Archibald Geikie. Director-General of the Geological Survey.
5. Iron tools and utensils of the Roman period found together in a pit in the Romano-British city at Silchester, Hampshire in September 1890, bronze objects found at Silchester, exhibited by the Executive Committee of the Silchester Excavation Fund (by permission of the Duke of Wellington).
5a. Musical sand from Arabia, United States of America, and the Hawaiian Islands, exhibited by Henry Carrington Bolton.
Room 3 (Reception Room):
Room 4 (Council Room):
6. Remains of Amonodont reptiles from the Trias, Karoo, Cape Colony (South Africa), exhibited by Harry Govier Seeley.
7. A collection of views in the Royal Gardens, Kew, showing the development of the gardens during the last fifty years, exhibited by William Turner Thiselton-Dyer, the Director, Royal Kew Gardens.
8. Tomlinson regulator for electric light mains, exhibited by Messrs. J. E. H. Gordon & Company.
9. Three enlarged photographs of leguminous plants grown in 1889 in experiments of the fixation of free nitrogen, coloured drawings of the Rothamsted rain gauges and drain gauges, by Lady [Caroline Fountaine] Lawes, exhibited by Sir John Bennet Lawes and Joseph Henry Gilbert.
Room 5 (Principal Library):
10. Old plan of the Mint in the Tower of London, exhibited by Sir Charles William Fremantle.
11. Section of armature winding showing copper divided, twisted and compressed, to avoid loss from Eddy currents, Crompton's method of obtaining accurately submultiples of the Ohm for current measuring purposes, exhibited by Rookes Evelyn Bell Crompton.
12. Revolving mirror, clock for pointing out continually the direction of the Earth's orbital motion (two home-made forms), resonant Leiden jars, exhibited by Oliver Lodge.
13. Self-recording instruments, exhibited by MM. Richard Freres.
14. Method of recording pyrometric measurements at temperatures between 600 and 1200 degrees centigrade.
15. Length measuring instrument, exhibited by William Cawthorne Unwin.
16. Portraits of deceased astronomer and physicists, exhibited by W. B. Croft.
17. Electrical safety-valve, exhausted bulbs used to ascertain the space traversed by high tension alternating currents, exhibited by Killingworth Hedges.
18. Focometer, exhibited by Silvanus Phillips Thompson.
19. Selenium cells, selenium lamp-lighter, selenium alarm, exhibited by Shelford Bidwell.
20. Electricity in high vacua, exhibited by William Crookes.
21. Photographs of damage produced by the tornado of 18 August 1890 at Dreux (Eure et Loire), France, exhibited by George James Symons.
22. Examples of photographic enlargements of the solar spectrum each magnified from the original negative from 25 to 27 times linear, exhibited by Charles Piazzi Smyth.
23. Photographs of the normal solar spectra, exhibited by George Higgs.
24. Colour photographs of the spectrum, exhibited by Gabriel Lippmann.
25. Some forms of Clark cells, exhibited by Arthur Schuster.
26. Specimens of tetrathiocarbamid-ammonium bromide and related substances, exhibited by Emerson Reynolds.
27. Photographs of living corals taken in Torres Straits, exhibited by William Savile Kent.
28. A series of Ptomaines - alkaloidal products fromed by bacteria from animal tissues, exhibited by William Hunter.
29. Allotropic forms of silver prepared by Carey Lea of Philadelphia, exhibited by the Committee of the Camera Club.
30. Crystals of platinum and palladium, exhibited by George Francis Fitzgerald.
31. Professor [Seikei] Sekiya's model of the Japanese earthquake, exhibited by James Alfred Ewing.
32. Cabinet containing medals struck in honour of Fellows of the Royal Society, exhibited by Council of the Royal Society.
33. Indigo-blue and allied substances and derivatives of chlorophyll, exhibited by Edward Schunck.
34. Microscopic preparations of the British Mymaridae (egg parasites), exhibited by Fred Enock.
35. Skull and shoulder girdle of Procolophon trigoniceps (Owen) collected by Dr. Exon in the Orange Free State (figured Phil Trans., 1889, p.267), exhibited by Henry Woodward.
36. Specimens illustrating some points in the structure and development of dentine, exhibited by John Howard Mummery.
37. A new form of polarizing microscope, exhibited by Allan Dick.
Ground Floor (Meeting Room):
The following exhibit with demonstrations by means of the electric lantern will take place at 10 o'clock.
Meteorological photographs, exhibited by Arthur William Clayden.
Refreshments on the Ground Floor.
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