Transactions Society Naval Architects and Marie Engineers, Vol. 28, 1920. Plate 78 
To illustrate paper on “Economical Cargo Ships—Some Model Experiments,’ 
by Alfred J. C. Robertson, Esq., Member. 
=600 AS COMPUTED 
BY UNIV. OF MICH, WASHINGTON 
7] AND FROUDE. 
DIFFEKANCE in © VALUES 
FOR 400 FT, SHIP WITH 
ope « |o.ocosl0Y Be FOR 400' SriP 
oR 20-0" 
6/3 
1.654 
PEEO-LENGTIH RATIO-V+¥E 
WM. J. ROGERS LITHO WASH,. 0. G. 
