Generating Sets . . RE MORE ECONO ND MORE RELIAI (Fy equal importance—this low steam consumption is maintained throughout the long life of steam engine generating sets so fuel cost is continually kept down. Constant voltage is assured by excellent speed regulation. The governor is simple, positive and unusually reliable. No elaborate warming up is necessary. This saves time and eliminates damage caused in other types of steam drive from rapid, unequal expansion. Bulletin No. 1902 which fully describes and illustrates all the many valuable features will gladly be sent on request. Send for your copy. TROY ENGINE & MACHINE COMPANY 2243 Railroad Avenue » Troy, Pennsylvania Manufacturers of VERTICAL AND HORIZONTAL STEAM ENGINES » GENERATING SETS GENERATORS » SWITCHBOARDS TROY - ENGBERG MARINE GENERATING SETS AND ENGINES M-31-3 Pay for themselves by low cost dependable operation MARINE REVIEwW—March, 1931 3 Pt Song