Fis. 8S. 
Transactions Society Naval Architects and Marine Engineers, Vol. 28, 1920. 
To illustrate paper on “Economical Cargo Ships—Some Model Exberments.” 
by Alfred J. C. Robertson, Esq., Member. 
S 783910 
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WM. J ROGERS. LITHO.. WASH. D.C 
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Plate 22 
