CONTENTS 



1920. 



1920. PAGE 



Jan. 16.— Sir James Dewar — Low Temperature Studies ... 245 



„ 28. — The Hon. Sir Charles Parsons— Researches 



at High Pressures and Temperatures ... ... 1 



„ 30.— Sidney G. Brown — The Gyre-static Compass ... 19 



Feb. 2. — General Meeting ... ... ... ... ... 40 



„ 6.— Sir Walter Raleigh — Landor and the Classic 



Manner ... ... ... ... ... ... 45 



„ 13.— W. M. Bayliss— The Volume of the Blood and 



its Significance ... ... ... ... ... 46 



„ 20. — Edward J. Russell — British Crop Production... 51 



„ 27.— W. B. Hardy — Problems of Lubrication... ... 65 



March 1.— General Meeting 72 



„ 5. — The Hon. J. W. Fortescue— Military History 70 



12. — W. Rouse Ball — String Figures 77 



„ 19. — Edward McCurdy — Leonardo da Vinci... ... Ill 



„ 26. — Sir J. J. Thomson — The Scientific AVork of the 



late Lord Ravleio-h ... ... ... ... 244 



40149 



