| 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 a lecture taking place at a specific time during the evening.
Entrance Hall:
Clock designed by Lord Kelvin and described by him as 'A new astronomical clock and a pendulum governor for uniform motion'.
Room 1 (Officers' Room):
1. The action of milling and planning tools, exhibited by the Cutting Tools Research Committee of the Institution of Mechanical Engineers.
2. Photographic records of the pressures developed in hydrogen-air and carbon monoxide-air explosions at initial pressures of 50 atmospheres, exhibited by William Arthur Bone.
3. 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.
4. Autographic records taken with an instrument made for the Ordnance Committee for the purpose of investigating the loss of rotational velocity of a projectile during flight, exhibited by Cecil C. Mason.
Room 2 (Council Room):
5. Models of crystal structure as determined by x-ray analysis, exhibited by Sir William Henry Bragg and William Lawrence Bragg.
6. New electric microscope lamp for research work, new combined mon-binocular microscope, exhibited by Messrs. Ogilvy & Company.
Room 3 (Old Council Room):
7. Researches on the biology of aphides, exhibited by the Entomological Department, Institute of Plant Pathology, Rothamsted (Dr. Augustus Daniel Imms and Dr. J. Davidson).
8. Apparatus for recording the regularity of threads (Dr A. E. Oxley), exhibited by the British Cotton Industry Research Association.
9. Radio-telegraphic records, exhibited by Alan Archibald Campbell Swinton.
10. Algebraic gyroscopic curves, complete in four, three and six branches projected on a horizontal plane with accompanying sheets by Colonel Hippisley of the numerical calculations, exhibited by Sir George Greenhill, Sir George Hadcock and Colonel [Richard Lionel?] Hippisley.
11. Fossil and recent plants from West Greenland, exhibited by the Botany School, Cambridge.
Room 4 (Principal Library):
12. Micro indicator for taking diagrams from high speed engines - together with portable microscopes for viewing the diagrams and enlarged photographs from diagrams, instrument for measuring the percentage of carbon-dioxide in alveolar air, exhibited by the Cambridge & Paul Instrument Company Limited.
13. Effect of long drying on the boiling points of liquids, exhibited by Herbert Brereton Baker.
14. An immersion method of measuring the internal diameters of transparent tubes, a simple method of differential refractometry, exhibited by the National Physical Laboratory (Dr. J. S. Anderson).
15. A simple monochromatic illuminator, a differential refractometer, exhibited by Dr. J. J. Fox.
16. A gigantic freshwater gastropod from Wealden Rocks, exhibited by the Department of Geology, British Museum (Natural History).
17. Apparatus for measuring interfacial tensions by the ripple method, exhibited by Hamilton Hartridge.
18. Thermal conductivity apparatus, fluorescence under ultra-violet light, apparatus for the comparison of different types of hygrometers, apparatus demonstrating the principle of a automatic device for operating a ventilating valve, exhibited by the National Physical Laboratory (Dr. Kaye and Dr. [Ezer] Griffiths).
19. Some effects of alternating magnetism, exhibited by William Morris Mordey.
20. 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.
21. 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.
22. Native gold recently discovered near Torquay, Devon, exhibited by William Thomas Gordon.
23. Original microphones and experimental apparatus of David E. Hughes F.R.S., a microscope with geometrical slides, exhibited by the Science Museum, London.
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. Effect of pituitary extracts on frog melanophores, exhibited by Lancelot Thomas Hogben and Frank R. Winton.
26. Specimens of smoke, fog and volcanic or cosmic dust particles from the air, exhibited by the Advisory Committee on Atmospheric Pollution.
27. 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.
28. Giant frogs Rana goliath and R. guppyi, tortoise Testudo loveridgii, the so-called hybrid pilchard x herring, the development of pulmonary respiration in prosobranch gastropods (Mr. G. C. [Guy Coburn] Robson M.A.), exhibited by the Department of Zoology, Natural History Museum (Charles Tate Regan).
29. Preparations illustrating the course of spermatozoa in Cimex, exhibited by Major Francis William Cragg.
Ground Floor Committee Room (Corridor):
30. Methods of measuring the bactericidal potency of the blood fluids and leucocytes, exhibited by Sir Almroth Wright.
31. The lysozymic action of tissues and secretions, exhibited by Alexander Fleming.
32. Telephone transmission measuring apparatus, exhibited by the Western Electric Company Limited.
33. A microscope outfit for research work, photo-micrographs to illustrate the structure of bacteria as shown by some staining methods and by photographing them in the living state with ultra-violet light, exhibited by the National Institute for Medical Research.
Secretaries' Room:
34. Metal x-ray tube, water-cooled, with iron target, exhibited by the Radiological Branch, Research Department, Woolwich.
35. Dialectric constants at radio frequencies, exhibited by the Explosives Branch, Research Department, Woolwich.
36. 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), precision bridge for platinum thermometry (Mr. W. F. Higgins and Mr. F. H. Schofield), exhibited by the National Physical Laboratory.
Meeting Room:
Lecture -
At 9.30 o'clock.
The aurora borealis and its spectrum, exhibited by Robert John Strutt, 4th Baron Rayleigh.
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