Transactions Society Naval Architects and Marine Engineers, Vol. 26, igi8. 



Plate 99. 



To illustrate paper on "Variations of Shaft JJorsepoivcr. Propeller Rej'olufions, and Propul- 

 sive Coefficient with Lontjitudinal Position of the Parallel Middle Body in a Single Screw 

 Cargo Ship," by Nai'al Constructor William McEntec. U. S. N., Member. 



-T 



\i R \e> \& 2.0 zz ^.4 z& z.a 3.o 



SCALE FOR SPEED IN V^NOTS 



TUt fto/titis Pitkb: 



HIN'^TON, D. C. 



