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S. S. “City of Chattanooga’”’ of the Savannah Line. Equip- ped with RCA Marine Radio. ‘Protection! OUR vessel is safe—with RCA Marine Radio. Her S.O.S. call will fetch assistance quickly—at any hour of the day or night. RCA Marine Radio is protection against market breaks, too. Often a cargo at sea is re-routed by radio —and an impending loss is turned into a profit. If any of the officers or crew decides to quit—a radio message will arrange for his replacement. And you are protected against delays in port— for radio will secure accommoda- tions hours before land is sighted. For performance and dependability RCA Ship Sets stand supreme. Kept in repair by RCA service stations in all parts of the world. MARINE RADIO RADIO CORPORATION of AMERICA Marine Department 66 Broad St., New York City BALTIMORE NEW ORLEANS CLEVELAND WASHINGTON, D.C. NORFOLK, Va. SEATTLE CHICAGO PHILADELPHIA PORT ARTHUR, Tex. BOSTON SAN FRANCISCO HONOLULU, T.H. LOS ANGELES MARINE REVIEW March, 1925 THE MULHOLLAND HATCH-FASTENER COMPANY Main 272 Marion Building, Cleveland, Ohio Cent. 1016 Manufacturers of the Mulholland Simplex and Security Hatch Fasteners. For Ocean and Lake Trade. OVER 225,000 SETS NOW IN USE ON THE GREAT LAKES ANDREW J. MORSE & SON, Inc. 221 High Street BOSTON, MASS. Established 1837 Diving Apparatus and Submarine Armor Fire Department Supplies The Morse Monitor Nozzle Callahan Shut-Off Nozzle Phoenix Marine Type Refrigerating Machines have been designed especially to meet the requirements of the Marine Engineer. Motor driven, and either manual or auto- matic control. Silent chain drive, fully enclosed, permits short distance between centers, with resultant compactness. MAY WE SEND FULL DETAILS? The Phoenix Ice Machine Co., Cleveland 2711 Church Ave. BOILER TUBES Seamless Steel—Charcoal Iron—Lapwelded Steel Marine and Stay Tubes with Marine Certificates E. F. KEATING CO. Est. 1885 446-454 Water St., New York, N. Y. Immediate Shipment from New York Stock Telephone Orchard 9700 USEFUL BOOKS For the Man Who Is Interested IN SHIPS Building the Emergency Fleet—Mattox—$5.90 (25s.) How Wooden Ships are Built—Estep—$3.00 (15s.) Marine Engineers Guide—Audel—$3.00 (15s.) Marine Engineers Handbook—Sterling—$7.00 (35s.) Marine Steam Turbines—Bauer—$4.00 (20s.) Marine Cold Storage Heating and Ventilation on Ship- board—Walker—$2.50 (12s. 6d.) Practical Marine Engineering—Dyson—$6.00 (30s.) Care and Operation of Naval Machinery—Dinger—$3.00. Steam Boilers—Peabody—$4.00 (20s.) (15s.) Practical Shipbuilding—McBride—$3.00 (15s.) Steel Ships, Construction and Maintenance—Walton— , $7.00 (35s.) Practical Shipbuilding, 2 volumes—Holms— $22.50 (£4 12s. 4d.) Navigation—Hosmer—$1.50 (7s. 6d.) Navigation and Nautical Astronomy—Coffin-Collins— $3.00 (15s.) Wrinkles in Practical Navigation, pocket edition— Lonecky $5.00 (25s.) Modern Seamanship, pocket edition—Knight—$3.00 (15s.) Practical Seamanship for Use in the Merchant Service— Todd and Whall—$12.00 (£2 9s. 3d.) Notes on the Practical Duties of Shipmasters—Wilkes— $1.50 (7s. 6d.) The Penton Publishing Company Book Department Penton Bldg., Lakeside Ave. & W. 3rd St. Cleveland, O. 314 I M Please mention MARINE REVIEW when writing to Advertisers