MEMOIRS 
OF THE 
Tokio ^daigaku 
(UNIVERSITY OF TOKIO) 
No. 11. 
A SYSTEM OF 
IRON RAILROAD BRIDGES 
FOR JAPAN 
J. A. L. WADDELL, C.E., B.A.Sc., Ma.E., 
R0i ， ES8OR OP CIVIL ENGINEERING IN THE UNIYEBSITY OP TOKIO, JAPAN : CONSULTING ENGINEER 
**OR THE FIRM OF RAYMOND AND CAMPBKLL, BRIDGE-BUILDERS OP COUNCIL BLUFFS, 
IOWA : MEMBER OF THE AMERICAN SOCIETY OF ClVIIi ENGINEERS, RENSSELAER 
SOCIETY OF ENGINEERS, ENGINEERS' CLUB OF PHILADELPHIA, AND 
WESTERN SOCIETY OF ENGINEERS; ASSOCIATE MEMBER OF 
THE INSTITUTION OF CIVIL ENGINEERS, LONDON ： 
AUTHOR OP THE DESIGNING OP ORDINARY 
IRON HIGHWAY BRIDGES. . 
(fables and ^Plates ) 
PUBLISHED BY TOKIO DAIGAKU 
TOKIO ： 
2545 (Japanese Era) 
1885 A. D. 
Printed by <l SlfilSin-BUNSnA,” Tokio Japan. 
