Traiisaclious Sncirly Xaral Architects cml Marine F.nginrers. J'ot. 2j, jqio. I'lde 9 8 



To illustrate paper on "The Propelling Machinery of the U. S. S. Leviathan." 



l)\ Ernest H. B. .-hulcrson, Member. 



Nonms PflEBS. iNC LirW) 



WASriiNGro.i. DC. 



