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A NEw EPOCH IN TRANSPORTATION Economical and dependable power has always been the outstanding ideal of marine engineering. As a result, every now and then, a new epoch in marine transportation is ushered in. The application of the oil engine for ship propulsion is now rapidly gaining in favor everywhere. This is because it is proving to be the most economical prime mover ever built. The Hudson-Athens ferry service, which has used all forms of mechanical drive during its years of operation, selected an Ingersoll-Rand Oil Engine for the ferry boat Hudson-Athens, shown above. Let us give you full details of this engine’s seven years of successful service. Over 50% of the world’s new tonnage built in 1926 was equipped with Oil Engines. INGERSOLL-RAND COMPANY, 11 Broadway, New York City Offices in principal cities the world over For Canada Refer-Canadian Ingersoll-Rand Co., Limited 260 St. James Street, Montreal, Quebec. et se The many sizes of Ingersoll-Rand Marine Oil Engines are available for either direct-connected or electric drive. All are furnished with single- lever control. MARINE REVIEW—April, 1927 49