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AIR COMPRESSORS—See COMPRESSORS AIR PRESSURE RECEIVERS American Welding Co., 30 Church St., New York City. ALLOYS Metal & Thermit Corporation, : 120 Broadway, New York City. ANCHORS Carpenter, ore B., & Co. 436 N. Selle St., ARMOR (Submarine) Morse, A. J., & Son, 221 High St., Boston, Mass. AVERAGING COUNTERS Cummings Machine Works, 255 Atlantic Ave., BABBITT METAL Westinghouse Electric & Mfg. Co. East Pittsburgh, Pa. Chicago, Ill. Boston, Mass. BARGES Dravo Contracting Co., Neville Island, . Pittsburgh, Pa. BARGES (Steel) American Bridge Co. Broadway, New York ‘City. Ellis Channel System of Steel Hull Construc- tion, 30 Church St.. New York City. Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. BATTERIES Electric Storage Battery Co., Philadelphia, Pa. Willard Storage Battery Co., 246 E. 131st St., BINNACLES Ritchie, E. S., & Sons, Brookline, Mass. BLOWERS (Flue) American Shipbuilding Co., Foot of W. 54th St.; Cleveland, O. BLOWERS (Motor Driven) Diehl Manufacturing Co., BLOWERS (Motor Driven Ventilation) Sturtevant, B. F., Co., “Hyde Park, Boston, BOATS (Steel and Wood) Mass. Bath Iron Works Corporation, Bath, Maine. Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. BOILER PLATES (Zinc) Hazel-Atlas Glass Co., 16th and Market. St., Wheeling, W. Va. BOILER TUBES Tyler Tube & Pipe Co., BOILERS Foster Wheeler Corp., 165 Broadway, New York City. Washington Iron Works, 6th Ave. & Atlantic St., Wash. BOILERS (Marine) Almy Water Tube Boiler Co., 184 Allen St., Providence, R. I. American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Babcock & Wilcox Co., R5 Liberty St.. New York City. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Washington, Pa. Seattle, 104 Cleveland, O. Elizabeth, N. J. A classified-by-products list of advertisers for the convenience of readers. you want, write us and we will tell you where to get it. give you page number of any advertiser and by referring to advertisement you can get full particulars about products. Great Lakes Engineering Works, River Rouge, Newport News Shipbuilding & Dry Dock Co., Mich. 233 Broadway, New York City. Oldman-Magee Boiler Works, Inc., 86-40 Illinois St., Buffalo, N. Y. Chester, Pa. Sun Shipbuilding & Dry Dock Co., Toledo Shipbuilding Co., Toledo, O. BOILERS (Water Tube) Almy Water Tube Boiler Co., 184 Allen St., Providence, R. I, Babcock & Wilcox Co., The 85 Liberty St., BOOKS (Technical) Penton Publishing Co., Cleveland, O. BRASS GOODS AND SPECIALTIES Tiebout, W. & J., 118 Chambers St., New York City. New York City. BROKERS (Vessel) Boland & Cornelius Marine Trust Bldg., Farley, Edward P., & Co., 11 Broadway, Buffalo, N. Y. Inc., New York City. BUNKER COAL Port Huron Coal & Dock Co., 1460 Union Trust Bldg., Cleveland, oO. BUNKER FUEL OIL—See FUEL OIL BURNERS (Oil)—See OIL BURNING EQUIP- MENT CABLES Columbian Rope Co., Auburn, N. Y. Durable Wire Rope Co., 93 Pearl St., Boston, Mass. Whitlock Cordage Co., 46 South St., New York City. CALKING COTTON Stratford, Geo., Oakum Co., 165 Cornelison Ave., Jersey City, N. J. CAPSTANS e Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Dake Engine Co., Grand Haven, Mich. Hyde Windlass Co., Bath, Me. Superior Iron Works So., Superior, Wis. CAR FLOATS American Bridge Co., 71 Broadway, New York City. Ellis Channel System of Steel Hull Construc- tion, 30 Church St., New York City. CASTINGS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Great Lakes Engineering Works, River Rouge, Mich. New London Ship & Engine Co., 11 Pine St., New York City. Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. CEMENT (Linoleum and Tile) Ferdinand, L. W., & Co., 152 ‘Kneeland St., Boston, Mass. CENTRIFUGAL SEPARATORS FIERS Sharples Specialty Co., 23rd & West Moreland Sts., Philadelphia, Pa. AND CLARI- CHANNEL CONSTRUCTION (Steel) Ellis Channel System of Steel Hull Con- struction, 30 Church St., New York City. MARINE REVIEW—April, 1928 (Index to advertisements will If you don’t find what COAL Port Huron Coal & Dock Co., 1460 Union Trust Bldg., Cleveland, O. COMBINATION COUNTER AND TELLTALE Cummings Machine Works, 255 Atlantic Ave., COMPASSES Ritchie, E. S., & Sons, Brookline, Mass. COMPASSES (Gyro) Sperry Gyroscope Co., Sperry Bldg., COMPRESSORS Frick Company, Waynesboro, Pa. Ingersoll-Rand Co., 11 Broadway, New York City. COMPRESSORS (Air) Brunswick-Kroeschell Co., New Brunswick, N. J. Boston, Mass. Brooklyn, N. Y. CONDENSER TUBES Secovill Manufacturing Co., Waterbury, Conn. CONDENSERS Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Foster Wheeler Corp., 165 Broadway, New York City. Great Lakes Engineering Works, River Rouge, Mich. Westinghouse Electric & Mfg. Co., So. Philadelphia, Pay CONTRACTORS (Electric) Benson Electric Co., Superior, Wis. CORDAGE Columbian Rope Co., Auburn, N. Y. Samson Cordage Works, Boston, Mass. Whitlock Cordage Co., 46 South St., New York City. CORROSION PREVENTATIVE United States Rubber Co., 1790 Broadway, New York City. CRANKSHAFTS (Diesel Engine) Titusville Forge Co., Titusville, Pa. CYLINDERS (Gas) American Welding Co., 80 Church St., New York City. DECK AND SEAM FILLERS Ferdinand, L. W., & Co., 152 Kneeland St., Boston, Mass. DERRICKS Superior Iron Works Co., Superior, Wis. DIESEL ENGINES—See ENGINES (Diesel) DIESEL FUEL OIL—See FUEL OIL DISTILLING APPARATUS Griscom-Russell Co., 285 Madison Ave., New York City. DIVING APPARATUS Morse, Andrew J., & Son, Ince., 221 High St., Boston, Mass. DRAFT (Artificial and Mechanical for Boilers) American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Great Lakes Engineering Works, River Rouge, Mich. Sturtevant, B. F., Co., Hyde Park, Boston, Mass. DRAFT GAUGES Peabody Engineering Corp., 110 E. 42nd St., DREDGING MACHINERY Great Lakes Engineering Works, River Rouge, Mcih. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. New York City