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September, 1926 MARINE REVIEW Westinghouse Diesel-Electric Boats for the Pennsylvania Railroad HE Pennsylvania Railroad pur- chased its first Westinghouse equipped Diesel-electric tug boat in 1923. Since then, five other tug and drill boats have been equipped by Westinghouse for this railroad—the largest fleet of Diesel-electric tow boats in service. In towing and harbor service the many advantages of Diesel-electric propulsion are particularly apparent. The flexibility and ease of control not only make possible greater efficiency and utility, but greater safety in crowded ports. A rela- tively high percentage of engine output that is converted into tow- rope pull, the speedier handling and maneuvering to tows, and low op- erating and maintenance costs are the outstanding operating charac- teristics of Diesel-electric tugs. Westinghouse Electric & Manufacturing Company East Pittsburgh Pennsylvania Sales Offices in All Principal Cities of the United States and Foreign Countries Westinghouse Please mention MARINE REVIEW when writing to Advertisers ‘ 51