Transactions Sorirly Ai/in/ Architects and Marine Engineers. I'ol. j/, iQip. 



Plate 



5^ 



To illustrate pa[>cr on "The Propulsive Efficiency of Single Screw Cargo Ships," 

 by Comiitaudcr IVilliani Mcllntce, Construction Corps, U. S. N.. Member. 



NOBRis Peters. INC.. LiTHo., Washington d C. 



SPEED IN KNOTS 



