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or STEAMER YORKTOWN equipped with Troy-Engberg generating sets. Built by Newport News Shipbuild- ing & Dry Dock Co. for Chesapeake Steamship Co. Constant VOLTAGE ... assures steady lights, proper gyroscopic compass performance and is a distinct asset and convenience to every ship. Troy-Engberg generating sets are equipped with a simple, automatic, positive acting goy- ernor which gives excellent speed control and maintains constant voltage under all load changes. This is but one of the many refinements that have caused Troy-Engberg steam engine gener- R Vo Byei3 stant / ating sets to be acknowledged superior equip- ment. The low maintained steam rate of these sets cuts cost and keeps them down. Their generous design, self-oiling features, operation without oil leakage, and the high grade materials that go into their construction guarantee a long life and dependable, trouble-free operation. Valuable data on these Marine generating sets is available to you for the asking. Write us for it. TROY ENGINE & MACHINE COMPANY 2248 Railroad Ave., Troy, Pennsylvania TROY -ENGEER MARINE GENERATING SETS, DC OR AC MARINE REVIEw—April, 1932 GENERATORS e STEAM ENGINES