a- 
MUSEUM 
25 MAR 22 
NATURAL 
KI5T0P.Y- 
PHILOSOPHICAL TRANSACTIONS 
. . 
OP THE 
ROYAL SOCIETY OF LONDON. 
Series A, Vol. 222. Pp. 167-226. 
M 
(Plates 1 and 2.) 
LAGRANGE’S BALLISTIC PROBLEM. 
BY 
A. E. H. LOVE, F.R.S., 
SEDLEIAN PROFESSOR OF NATURAL PHILOSOPHY IN THE UNIVERSITY OF OXFORD. 
AND 
F. B. PIDDUCK, M.A, 
FELLOW OF QUEEN’S COLLEGE, OXFORD. 
Printed and Published for the ROYAL SOCIETY by 
HARRISON AND SONS, Ltd., 44-47, ST. MARTIN’S LANE, LONDON, W.C. 2. 
$rintfr£ in Orttmarj? la ©is ^lajes'tp. 
1922. 
Price Five Shillings. 
A 599. 
;.-h. 
Sk& '*> 
6.3.22 
