| 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 front cover is inscribed in pencil: 'There was no June Soiree in 1912 on account of the preparation for the 250th Anniversary celebrations, which were held in July'.
Room 1 (Officers' Room):
1. Variable stroke pump transmission of power by oil, steering gear model (electric-hydraulic) showing application of pump, complete transmission set with pump and new rotary motor, exhibited by Henry Selby Hele-Shaw and Francis Leigh Martineau.
2. A gyroscope, exhibited by Augustus Edward Hough Love.
3. Continuous current motor-gyrostats for the demonstration of the properties and practical applications of the gyrostat, hand-spun gyrostats of novel design, walking and climbing gyrostats, exhibited by James Gordon Gray and George Burnside.
4. Copper wires sealed directly into vacuum tubes and lamps, exhibited by George Burnside.
5. An adhesion pump, exhibited by James Dewrance.
Room 2 (Reception Room):
6. Copies of ancient Egyptian paintings from the Theban tombs, exhibited by Alan Henderson Gardiner.
7. Galtoniana, photographs and pedigrees illustrating the ancestry of the Galtons and Darwins, exhibited by Karl Pearson.
8. A selection of specimens and photographs illustrating some features in bird migration as observed during the eight weeks' residence at the Tuskar Rock Lighthouse, Co. Wexford, exhibited by Charles Joseph Patten.
Room 3 (Council Room):
9. Apparatus for demonstrating liquid crystals with polarised light (projected on screen), levelling instrument with bisected bubble reflected, gas and water interferometer, exhibited by Messrs. Carl Zeiss (London) Limited.
10. Sinhalese iron and steel of ancient origin, exhibited by Sir Robert Hadfield.
11. Pair of compasses belonging to Sir Christopher Wren, exhibited by Sir John Wolfe Barry.
12. Constitution of fused and electro-deposited metals, exhibited by Sherard Osborn Cowper-Coles.
13. Specimens of Palaeozoic rocks obtained in deep borings under London and the eastern counties, colour-printed one-inch maps of the Geological Survey (drift and solid editions) mounted as wall maps, exhibited by the Director of the Geological Survey of Great Britain.
Room 4 (Principal Library):
14. Special polariscope for examining engineering models under stress, exhibited by Ernest George Coker.
15. Colour photography by the micro-spectra method, exhibited by Julius Rheinberg
16. Apparatus for making visible the tracks of ionising particles by vapour condensed upon the ions set free along the paths, cloud photographs showing the nature of the ionisation produced by different kinds of rays, exhibited by Charles Thomson Rees Wilson.
17. South African species of Mesembryanthemum, flowering spray of Amherstia nobilis, exhibited by Sir David Prain, the Director, Royal Botanic Gardens, Kew.
18. Parasitic plants (Loranthacaceae) from Jamaica, West Indies [Caribbean], exhibited by William Fawcett.
19. Selected antiquities from Meroe (Sudan), exhibited by Robert Ludwig Mond.
20. An instrument for measuring the distance between the centres of rotation of the two eyes, exhibited by Mr. H. S. Ryland.
21. Apparatus for the determination of absolute pitch by harmonic measurement, exhibited by Joseph Goold.
22. Apparatus for measuring the visibility of point sources of light (Mr. C. C. [Clifford Copland] Paterson and Mr. B. P. Dudding), exhibited by the National Physical Laboratory.
23. The string galvanometer as arranged by Professor Einthoven for the recording of heart sounds, exhibited by the Cambridge Scientific Instrument Company.
24. Feeding and respiration of molluscs, exhibited by the Marine Biological Association of the United Kingdom.
25. Nosema apis, the parasite of Isle of Wight disease in bees, exhibited by Harold Benjamin Fantham and Dr. Annie Porter.
26. Photographs of the spectrum of Nova geminorum taken at Cambridge University, exhibited by Hugh Frank Newall.
27. Drawings of spectrum of Nova geminorum made from photographs taken on 15th March and 3rd April with the Franklin-Adams 6-inch lens and 30-degree prism, comets 1911c (Brooks) and 1911f (Quenisset) photographs taken with 30-inch reflector and with portrait lens, exhibited by the Royal Observatory, Greenwich.
28. Spectroscopic discovery of the rotation period of Uranus, autumnal morning hoar frost on Mars, Mars canals, Saturn, Halley's Comet last appearance, Comet Brooks 1911, exhibited by Percival Lowell, Lowell Observatory, U.S.A.
29. Transparencies of solar total eclipse photographs Vavau, Tonga Islands, 28th April 1911, exhibited by Rev. Aloysius Laurence Cortie.
30. Photo-micrographs and coloured lantern slides illustrating the entire life-histories of various Mymaridae (ovivorous parasites), exhibited by Frederick Enock.
31. The distribution of the nerves of the dental pulp, exhibited by John Howard Mummery.
32. The desiccated brain of an aboriginal Tasmanian, exhibited by Grafton Elliott Smith.
33. Two photographs of a branching specimen of the date palm (P. daclytifera) taken in January 1912 near Guimar, Teneriffe, case showing example of iridescent and pigment colouring in lepidoptera, apparatus for showing the disappearance of iridescent colouring in lepidoptera, exhibited by Henry Reginald Arnulph Mallock.
34. Exhibits connected with recent researches on the properties of pure fused boron and on the volatility of metals of the platinum group, exhibited by Sir William Crookes.
35. Butterfly mimicry and mutation, exhibited by Edward Bagnall Poulton.
36. Types of marine plankton from the Irish Sea, exhibited by William Abbott Herdman and William John Dakin.
37. Flint implements from beneath the Red Crag of Suffolk, exhibited by Sir Edwin Ray Lankester.
38. Exhibition of palaeolithic flint implements from the gravel beds of the River Test at Dunbridge, Hampshire, at about 100 to 150 feet above Ordnance datum, exhibited by Mr. W. Dale.
Ground Floor (Committee Room):
39. Illustrations of work shortly to be published on heredity in dogs, specimens of live dogs, photographs and skins, exhibited by Karl Pearson, Edward Nettleship and Charles Howard Usher.
Secretaries' Room:
40. Wave-form sifters for alternating currents (Mr. A. Campbell), apparatus for studying fluid motion (Mr. C. G. Eden), photographs of eddies in water and in air and of the movements of particles suspended in water (Mr. C. G. Eden), exhibited by the National Physical Laboratory.
Meeting Room:
The following demonstrations will take place at the times specified:
At 9.45 o'clock.
Some experiments with soap bubbles, exhibited by Charles Vernon Boys.
At 10.30 o'clock.
Further studies on active nitrogen, exhibited by Robert John Strutt.
At 11 o' clock.
Mountain sickness and acclimatisation to high altitudes, the scientific results of the
Pike's Peak Expedition 1911, exhibited by John Scott Haldane.
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