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REPAIRS (Marine Engines) Bath Iron Works Corporation, Bath, Maine. New London Ship & Engine Co., 11 Pine St., New York City. REPAIRS (Turbine) Westinghouse Electric & Mfg. Co., East *rittsburgh, Pa REVOLUTION COUNTERS Sperry Gyroscope Co., Manhattan Bridge Plaza, Brooklyn, N. Y. ROPE (Manila, Net, Sisal, and Other Hard Fiber Cordage) Columbian Rope Co., Auburn, N. Y. Samson Cordage Works, Boston, Mass. Whitlock Cordage Co., 46 South St., New York City. ROPE (Transmission) Columbian Rope Co., Auburn, ROPE (Wire)—See WIRE ROPE ROPE OAKUM Stratford, George, Ni. Oakum Co., Jersey City, N. J. * RUBBER SLEEVES United States Rubber Co., . 1790 Broadway, New York City. RUDDERS Oertz Streamline Rudder Corp., 75 West St., New York City. RUST PREVENTATIVE (Oil) Texas Co., The, 17 Battery Place, New York City. Tidewater Oil Sales Corp., 11 Broadway, New York City. Vacuum Oil Co., 61. Broadway, New York City. SAFETY VALVES (Marine) Star Brass Mfg. Co., 53 Oliver St., Boston, Mass. SCHOONERS (Auxiliary) American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Chicago Shipbuilding Co., So. Chicago, IIl. Milwaukee Dry Dock Co., Milwaukee,’ Wis. Toledo Ship Building Co., Toledo, O. SEARCHLIGHTS (High Intensity) Sperry Gyroscope Co., Sperry Bldg., Brooklyn, 5 A REED Gs SEARCHLIGHTS (Incandescent and Arc) General Electric Co., Schenectady, N. Y. Sperry Gyroscope Co. Sperry Bldg., Brooklyn, Niicy, SELF. UNLOADING EQUIPMENT Smith, Leathem D., Dock Co., Sturgeon Bay, SEPARATORS (Oil) Babcock & Wilcox Co., 85 Liberty St., De Laval Separator Co., 165 Broadway, SHAFTING COVERING United States Rubber Co., New York City. New York City. 1790 Broadway, New York City. SHIPBUILDERS American Shipbuilding Co., Foot of W. 54th St., Bath Iron Works Corporation, Bethlehem Shipbuilding Corp., Ltd. Bethlehem, Pa. Cleveland, O. Dravo Contracting Co., Neville Island, Pittsburgh, Pa. Great Lakes Engineering Works, River Rouge, Mich. Manitowoc Ship Building Corp., Manitowoc, Wis. Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. Smith, Leathem D., Dock Co., Sturgeon Bay, Wis. Sun Shipbuilding & Dry Dock Co., Chester, Pa. Todd Shipyards Corp., 25 Broadway, New York City. Toledo Ship Building Co., Toledo, O. SHIPBUILDING SYSTEMS Isherwood, J. W., 17 Battery Place, New York City. SHIP CONSTRUCTION (Channel System) Ellis Channel System of Steel Hull Con- struction, 380 Church St., New York City. SHIP LOGS Walker, Thomas, & 568 Oxford St., SHIP REPAIRS Bath Iron Works Corporation, Dravo Contracting Co., Son, Ltd. Birmingham, England. Bath, Maine. Neville Island, Pittsburgh, Pa. Morse Dry Dock & Repair Co., Foot of 56th St., Brooklyn, N.Y; SHIP STABILIZERS Sperry Gyroscope Co., Sperry Bldg., Brooklyn, Na Ys; SLEEVES (Rubber) United States Rubber Co., 1790 Broadway, 110 Wis. _O. TELEGRAPH (Electrical, Bath, Maine. New York City. WHERE TO BUY SPUN OAKUM Stratford, George, Oakum Co., Jersey City, N. J. STEAMSHIP LINES (Passenger and Freight) United American Lines, Inc., 39 Broadway, New York City. STEAM DRUMS American Welding Co., 30 Church St., New York City. STEAM GAGES Star Brass Mfg. Co. 53 Oliver St., STEAM HEADERS American Welding Co., 30 Church St., New York City. STEAM TRAPS Davis Engineering Co., 90 West St., New York City. STEEL BARGES—See BARGES (Steel) STEEL TANKS Brunswick-Kroeschell Co., New Brunswick, N. J. Boston, Mass. STEERING ENGINES Hyde Windlass Co., Bath, Me. STEERING ENGINES (Electric) Benson Electric Co., Superior, STEERING GEARS American Shipbuilding Co., oot of W. 54th St., Cleveland, O. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Fa. Hyde Windlass Co., Bath, Me. STEERING GEARS (Electric) Wis. Benson Electric Co., Superior, Wis. STEERING MOTOR (Electric) Benson Electric Co., Superior, Wis. STORAGE BATTERIES—See BATTERIES STOVES Stamford Foundry Co., Stamford, Conn. STRAINERS (Oil) Coen Company, Inc., 50 Church St., SUPERHEATERS (Marine) Foster Wheeler Corp., 165 Broadway, New York City. SWITCHBOARDS Cory, Chas., & Son, Ine., 188 Varick St., New York City. New York City. Engberg’s Electric & Mechanical Works, 22 Vine St., St. Joseph, Mich. General Electric Co., Schenectady, N. Y. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. be ovea (Ammonia and Carbon Dioxide Stor- age American Welding Co., 80 Church St., New York City. aeaeeuss Chas., & Son, Ine 183 Varick St, New York City. TELEMOTORS Benson Electric Co., Superior, Hyde Windlass Co., Bath, Me. TELEPHONE SYSTEMS Cory, Chas., & Son, Inc., 183 Varick St., New York City. TERMINAL EQUIPMENT Dravo Contracting Co., Cory, Wis. Neville Island, Pittsburgh, Pa. TORSION METERS Cummings Machine Works, 255 Atlantic Ave., TOWBOATS Dravo Contracting Co. Boston, Mass. Neville Island, Pittsburgh, Pa. TOWING LINES Columbian Rope Co., Whitlock Cordage Co., 46 South St., INS oy. New York City. Auburn, TRANSMISSION (Rope)—See ROPE (Trans mission) TRIMMERS Benson Electric Co., Superior, Wis. TUBES (Boiler, Stay, Yarrow) Keating, -» Co, 446 Water St., New York Cit,. Tyler Tube & Pipe Co., TUBES (Condenser) Scovill Manufacturing Co., Waterbury, Washington, Pa. Conn. TURBINES (Electric) General Electric Co., Schenectady, N. Y. Westinghouse Electric & Mfg. Co. So. Philadelphia, Pa. MARINE REVIEW—April, 1928 TURBINES (Marine) Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. Westinghouse Electric & Mfg. Co. So. Piiladelphia, Pa. TURBINES (Steam) De Laval Steam Turbine Co., Trenton, N.J. Newport News Shipbuilding & Dry Dock Co., 238 Broadway, New York City. Sturtevant, B. F., Co., Hyde Park, Boston, Westinghouse Electric i Mfg. Co. So. Philadelphia, Pa: Mass. TWINE AND ROPE Columbian Rope Co., Auburn, N. Y. Samson Cordage Works, Boston, Mass. Whitlock Cordage Co., 46 South St., VALVES AND FITTINGS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. New York City. VENTILATING EQUIPMENT Sturtevant, B. F., Co. "Hyde Park, Boston, Mass. WASTE (Cotton Wiping, White and Colored) Stratford, Geo., Oakum Co., Jersey City, N. J. WATER PURIFICATION SYSTEMS Griscom-Russell Co., 285 Madison Ave., New York City. WELDERS (Electric Arc) Westinghouse Electric & Mfg. Co., East Pittsburgh, Fa. WELDING (Thermit) Metal & Thermit Corporation, 120 Broadway, New York City. WELDING AND CUTTING GAS Metal & Thermit Corporation, 120 Broadway, New York City. Prest-O-Lite Co., Inc., 80 East 42nd St., New York City. WHISTLES Star Brass Mfg. Co., 53 Oliver St., Boston, Mass. WHISTLES (Electric) Benson Electric Co., Superior, Wis. WINCHES Benson Electric Co., Superior, Wis. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Dake Engine Co., Grand Haven, Mich. Hyde Windlass Co., Bath, Me. Superior Iron Works Co., Superior, Wis. Welin Davit & Boat Corp., 805 Vernon Ave., Long Island City, N. Y. WINCHES (Electric) Benson Electric Co., Superior, Wis. WINDLASSES American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Bethlehem Shipbuilding Corp. s Bethlehem, Pa. George B., & 4386 N. Wells St. Chicago, II. Dake Engine Co., Grand Haven, Mich. Hyde Windlass Co., Bath, Me. Superior Iron Works Co., Superior, Wis. WINDOWS (Balanced Frameless) Kearfott Engineering Co., Inc., Roebling Bldg., 117 Liberty St., New York City. WIRE AND WIRING DEVICES Cory, Chas., & Son, Inc., 183 Varick St., WIRE ROPE Durable Wire Rope Co., 93 Pearl St., Boston, WIRELESS MESSAGE SERVICE Radiomarine Corp. of America, 66 Broad St., New York City. WIRELESS SETS AND APPARATUS Radiomarine Corp. of America, 66 Broad St., New York City. YACHTS (Sail, Steam and Diesel) Bath Iron Works Corporation, Bath, Maine. ZINC (Plates Rolled) Hazel-Atlas Glass Co., 16th & Market 'St., ZINC PRODUCTS Hazel-Atlas Glass Co., 16th & Market St., Carpenter, New York City. Mass. Wheeling, W. Va. Wheeling W. Va.