L iil ] 
CONTENTS. 
(A) 
VOL. 202. 
List of Illustrations.. 
Advertisement. 
I. Bakerian Lecture. —On the ConstitiUion of the Coiyper-Tin Series of Alloi/s. 
By C. T. Heycock, F.R.S., and F. H. Neville, F.R.S. . paye 1 
II. The Combination of Hydrogen and Chlorine under the Infliience oj' Light. By 
P. V. Bey AN, M.A., Fellow of Trinity College, Cambridge. Communicated by 
Professor J. J. Thomson, F.R.S. . 71 
III. Meteorological Observations obtained by the Use of Kites ojf the West Coast oj 
Scotland, 1902. By W. N. Shaw, Sc.D., F.R.S., ami W. H. Dines, 
B.A .123 
lY. The Elasmometer, a New Interferential Form of Elasticity Apparatus. By 
A. E. H. Button, D.Sc., F.R.S .143 
V. The Mechanical Forces Acting on a Charged Electric Condenser moving through 
Space. By Professor F. T. Trouton, F.R.S., and H, R. Noble, B.Sc., 
University College, London .165 
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