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es 98 MARINE.REVIEW January, 1927 Standard Oil Engine Full Diesel DELIVERY II powered with a four- cylinder direct reversing 100 H.P. Standard full Diesel oil engine owned by the Standard Oil Company of N. Y. ‘The Standard Oil Company has placed a repeat order for a Standard Full Diesel engine to be installed in a new delivery boat they are building. Good judgment demands your taking advantage of the profits to be had by installing a Standard full Diesel. The fuel and lubricating oil saved, the loss of time coaling or watering, together with always available maximum power in response to the throttle. Direct revers- ing, no gears, labor saved in attendance and low cost of up-keep, together with many other features exclusively had in the Standard Engine pay dividends that liquidate the first cost in one to three years. Write for catalogue and consult one of our engineers— it costs nothing. Back of Standard Gasoline & Oil Engines Is the Standard Motor Construction Co. 184 Whiton Street Jersey City, N. J., U.S.A. RCA Direction Finder Latest and Greatest Aid to Navigation The greatest aid to navigation developed in modern times isthe Radio Direction Finder. The RCA Direction Finder gives true loca- tion at any hour of the day or night—in fog or storm—in blizzard or hurricane. It employs the 8-tube super-heterodyne receiver, the most selective and sensitiveknown. Readings are accurate. Loop is enclosed— protected against the elements. All units are self-con- tained. The RCA Direction Finder is simple and reliable in operation, occupies small space, and stands up under service. The perfect confidence it gives to the master of the vessel results in time savings on voy- ages — with consequent savings on every item of ship’s expense—and more trips per year. RADIO CORPORATION of AMERICA Marine Department 66 Broad Street, New York City BALTIMORE PHILADELPHIA WASHINGTON ; ? SAN FRANCISCO De: LOS ANGELES CHICAGO CLEVELAND BOSTON SEATTLE NEW ORLEANS GALVESTON NORFOLK, VA. HONOLULU, T. H. MARINE RADIO Please mention MARINE REVIEW when writing to Advertisers