Transactions Society Naval Architects ana Marine Engineers, \ol 28, 1920. Plate 21 
To illustrate paper on “Economical Cargo Ships—Some Model Experiments,” 
by Alfred J. C. Robertson, Esq., Member. 
8 46.26% 
* 
c3:t 
a 
e| 
[Sss\ 
AFTERBOCDY G 
DU % 
Hovcvow | 3355 [46.00% 
srawanr | 39 
BRAU ONY RATIO 
WM. J. ROGERS. LITHO. WASH..D.c. - 
