PHILOSOPHICAL TRANSACTIONS 
OF THE 
EOYAL SOCIETY OE LONDON. 
Series A, Vol. 220. Pp. 35-65. 
ELECTROMAGNETIC INTEGRALS. 
BY 
SIE G. GEEENHILL, F.E.S. 
Printed and Published for the EOYAL SOCIETY by 
HARRISON AND SONS, 44-47, ST. MARTIN’S LANE, LONDON, W.C. 2, 
Printer^ in OrIruiarg to 
1919. 
Price Three Shillings. 
