| 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. Apparatus for investigating the action of cutting tools by polarised light, exhibited by Sir John Dewrance and Ernest George Coker for the Cutting Tools Research Committee of the Institution of Mechanical Engineers.
2. Abnormal development of lime-tree branches due to the presence of Misteltoe (Viscum album Linn.), Loranthus pentandrus Linn., on Eugenia grandis Linn., Singapore, deformed branch of a tree from Guatemala, Loranthus longiflorus Desr., showing the peculiar attachment to the host, exhibited by the Royal Botanic Gardens, Kew.
3. An insect enemy of the Douglas fir recently introduced from America, Chermes cooleyi Gill., exhibited by Robert Neil Chrystal (Forestry Commission).
4. Recording extensometer for textile yarns &c., designed for and presented to the University of Leeds by the exhibitor, exhibited by Percy J. Neate.
Room 2 (Council Room):
Mace of the Royal Society. Presented by King Charles II in 1663.
5. The methods of chemical graphic formulae modified so as to interpret crystal structure by means of models, exhibited by William Barlow.
6. A Dutch house interior, exhibited by Sir Henry Howarth.
7. Hen-feathered cocks, exhibited by Reginal Crundall Punnett.
Room 3 (Old Council Room):
8. Astronomical photographs, exhibited by the Royal Observatory, Greenwich.
9. Astronomical photographs and drawings from Stonyhurst College Observatory, exhibited by Aloysius Laurence Cortie.
10. A new form of astronomical model designed for educational purposes, exhibited by William Wilson.
11. Photographs of absorption spectra of alkaloids, exhibited by Sir James Johnston Dobbie and John Jacob Fox.
Room 4 (Principal Library):
12. The microscopic appearance of animal tissues in ultra-violet light, exhibited by Joseph Edward Barnard.
13. Apparatus for recording atmospheric pollution, exhibited by the Meteorological Office.
14. Standard optical pyrometer (Dr. [Ezer] Griffiths and Dr. Kaye), exhibited by the National Physical Laboratory.
15. Paterson-Walsh electrical height finder, exhibited by the National Physical Laboratory.
16. Photomicrographic transparencies (Metallurgical Department), exhibited by the National Physical Laboratory.
17. Application of cold-storage and gas-storage to English apples, exhibited by Franklin Kidd.
18. Cloud expansion apparatus for continuous determination of alpha, beta and x-rays, Darwin-Hill mirror position finder, exhibited by the Cambridge and Paul Instrument Company Limited.
19. Gravity torsion balance, exhibited by the Science Museum.
20. Pinhole photographs of the Coolidge radiator tube and photographs illustrating protection in the x-ray examination of materials, exhibited by the Radiological Branch, Research Department, Royal Arsenal, Woolwich.
21. Mercury barometer for us on airships, differential thermometer for airships, twin-pointer revolution indicator, gyroscopic turning indicator, aneroid altimeter with computer dial, permeameter, liquid oxygen vaporizer, exhibited by the Instrument Department, Air Ministry.
22. Liquid oxygen vaporizer, exhibited by Ernest Howard Griffiths.
23. The original portrait of Galileo by D. Tintoretto in oil painted about 1605-07 when Galileo was from 41 to 43 years of age, exhibited by George Hugh Gabb.
24. A series of ochreous flint implements, cores and flakes, of early Chellian (Palaeolithic age) from the base of the Cromer Forest Bed deposits, exhibited by James Reid Moir.
25. Engravings on flint-crust discovered at Grimes Graves, Norfolk, together with flint implements upon an ancient living level three feet beneath the present surface, exhibited by Albert Leslie Armstrong.
26. The protozoan fauna of the soil, exhibited by the Protozoological Laboratory, Rothamsted Experimental Station, Hertfordshire.
27. Fading of museum specimens exposed to light, Sir Sidney Harmer, for the British Museum (Natural History).
28. Life history of the common eel (Mr. C. [Charles] Tate Regan), cluster of eggs of a prosobranch mollusc (Vermiculus spiritus) from Bermuda (Mr. G. C. [Guy Coburn] Robson), exhibited by the Department of Zoology, British Museum (Natural History).
29. Abraxus grossulariata (the Magpie or Currant moth) and its varieties showing mode of inheritance, exhibited by the Hon. H. Onslow.
30. An ancient human skull from the Transvaal (Mr. W. P. Pycraft), exhibited by the Department of Geology, British Museum (Natural History).
31. A stratified rock showing the usual signs of seasonal variation in its laminae and containing vegetable fossils but all deposited in 24 hours at Dayton, Ohio, in 1913, tubular quartzite of Lower Devonian age recently found in the Eifel and another of Cambrian age from Sweden, crinoids of Permian age recently found in Timor and resembling echinoid spines, trilobites with curiously long horns and spines recently obtained from the Devonian of the Eifel.
32. Cytological preparations (a) Golgi apparatus (b) polar body Ornithorhynchus egg (c) 'Anello cromatico' Dysticus (Dr. [James Bronte] Gatenby), exhibited by the Department of Zoology and Comparative Anatomy, University College.
33. Shell of the recent Pleurotomaria (P. Adansoniana) dredged off Barbados, West Indies [Caribbean], in 60 fathoms of water.
34. Effects of pineal gland administration on amphibian melanophores (Mr. L. T. [Lancelot Thomas] Hogben), exhibited by the Zoological Laboratory, Imperial College of Science, South Kensington S.W.
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