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February, 1927 MARINE REVIEW (o MARINE DEPARTMENT of American Bridg e Company FRICK BUILDING PITTSBURGH. PENNA. BUILDERS OF STEEL BARGES for RIVERS and HARBORS CAR-FLOATS BOILER TUBES Seamless Steel—Charcoal Iron—Lapwelded Steel Marine and Stay Tubes with Marine Certificates E. F. KEATING co. st. 1 446-454 Water St., Now York, N. Y Immediate Shipment from New York Stock Telephone Orchard 9700 Almy Water Tube Boiler Co. Builders of Sectional Water Tube Boilers for all types of vessels TheBook Departmentof The Penton Publishing Co. Specializes in BOOKS FOR THE MARINER and is prepared to furnish at publishers’ price any technical book in print oe oo THE PENTON PUBLISHING CO. pepe. Penton Bldg., Lakeside Ave. & West 3rd St., Cleveland, O. : LA { life) Providence, R.I. U. S. A. Pe CATALOGUE FREE STROMBOS SUPERPOWERFUL MARINE SIGNALS Operate on 10 to 100 lbs. air pressure. Made of Brass and Bronze in 15 Models and tones. PENETRATE AND DOMINATE ALL NOISES. Heard from SIX to EIGHT MILES. Require 1/10 the air used in all other signals, pro- ducing greater volume of tone. Nothing inside to get out of order—No moving parts, repairs or attention required. BEWARE OF INFERIOR STROMBOS SIGNALS ON THE MARKET. AMERICAN STROMBOS COMPANY, Inc. 18th AND MARKET STS. PHILADELPHIA, PA. Valuable territory open to Dealers W. & J. TIEBOUT W. H. MOREFON CORP., MARINE EQUIPMENT & SUPPLY CO., 118 Chambers St., 780 Commonwealth Ave. 116 Walnut St., New York City Boston, Mass. Phila., Pa. Please mention MARINE REVIEW when writing to Advertisers