PHILOSOPHICAL TRANSACTIONS 
OF THE 
EOYAL SOCIETY OE LONDON. 
Seeies a, Vol. 220. Pp. 291-333. 
[Plate 1.] 
A DETERMINATION OP THE DEFLECTION OF LIGHT BY 
f 
|THE SUN’S GRAVITATIONAL FIELD, FROM OBSERVATIONS 
P’ MADE AT THE TOTAL ECLIPSE OP MAY 29, 1919. 
Sir F. W. DYSON, F.R.S., 
ASTRONOMER ROYAL, 
Prof. A. S. EDDINGTON, F.R.S., 
U- 
AND 
A 579. 
Printed and Published for the ROYAL SOCIETY by 
HAERISON and 'SONS, 4^47, ST. MARTIN’S LANE, LONDON, W.C. 2, 
printers ui ©riftnarn to JHajeStp. 
1920. 
Price Four Shillings and Sixpence. 
27.4.20 
