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HULLS (Steel) r Ellis Channel System of Steel Hull Construc- tion, 80 Church St., New York City. ICE MACHINES — See REFRIGERATING MACHINERY INDICATORS (Direction and Revolution) Sperry Gyroscope Co., Sperry Bldg., Brooklyn, N. Y. INDICATORS (Helm Angle) Sperry Gyroscope Co., Sperry Bldg., Brooklyn, N. Y. INDICATORS (Speed) Cory, Chas., & Son, Ine., 188 Varick St., New York City. Sperry Gyroscope Co., Sperry Bldg., Brooklyn, N. Y. INSURANCE (Marine) Boland & Cornelius, Marine Trust Bldg., Buffalo, N. Y. Osborn & Lange, Inc., Insurance Exchange, 175 W. Jackson Blvd., Chicago, [Ill. Prindiville, John, & Sons, 208 S. LaSalle St., Chicago, Ill. LAMPS (Mazda and Arc) General Electric Co., Schenectady, N. Y. LIFE BOATS, RAFTS, SUITS, PRESERV- ERS AND LIFE SAVING EQUIPMENT Welin Davit & Boat Corp., 305 Vernon Ave., Long Island City,.N. Y. LIGHTING EQUIPMENT Cory, Chas., & Son, Ince., : 183 Varick St., New York City. Westinghouse Electric & Mfg. Co., : East Pittsburgh, Fa. LOGS (Patent) Walker, Thomas, & Son, Ltd., 58 Oxford St., Birmingham, England. LUBRICATING OIL Texas Co., The, ; 17 Battery Place, New York City. Vacuum Oil Co., : : 61 Broadway, New York City. MACHINERY (Marine) American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Bessemer Gas Engine Co., Grove City, Pa. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Chicago Shipbuilding Co., So. Chicago, Ill. Great Lakes Engineering Works, River Rouge, Mich. Manitowoc Ship. Building Corp., ; Manitowoc, Wis. Toledo Ship Building Co.. Toledo, O. Washington Iron Works, 6th Ave. & Atlantic St., Seattle, Wash. MACHINES (Sounding) Submarine Signal Corp., 160 State St., Boston, Mass. MACHINISTS American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Milwaukee Dry Dock Co., Milwaukee, Wis. New London Ship & Engine Co., ‘ 11 Pine St., New York City. Washington Iron Works, 6th Ave. & Atlantic St., Seattle, Wash. MANILA OAKUM—See OAKUM Rope, Packings, Plumbers) MARINE DECKING—See DECKING MARINE GLUE Carpenter, Geo. B., & Co., a 86 N. Wells St., Ferdinand, L. W., & Co., 152 Kneeland St., Boston, Mass. MARINE GLUE (Liquid) Ferdinand, L. a Us, 152 Kneeland St., Boston, Mass. MARINE HARDWARE Tiebout, W. & J., 118 Chambers St., New York City. MARINE RAILWAY BUILDERS Crandall Engineering Co., 102 Border St., Boston, Mass. MARINE SIGNALS American Strombos Co., Inc., 5 South 18th St., Philadelphia, Pa. MARINE SUPPLIES Carpenter, Geo. B., & Co., 486 N. Wells St., Chicago, Ill, Tiebout, W. & J., 118 Chambers St., New York City. METERS (Water and Oil) Worthington Pump & Machinery Corp., 111 Broadway, New York City. (Marine, Chicago, Ill. 82 WHERE TO BUY MOTOR GENERATOR SETS Diehl Manufacturing Co., Elizabeth, N. J. Engberg’s Electric & Mechanical Works, 22 Vine St., St. Joseph, Mich. General Electric Co., Schenectady, N. Y. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. MOTORS (Electric) Diehl Manufacturing Co., Elizabeth, N. J. Engberg’s Electric & Mechanical Works, 22 Vine St., St. Joseph, Mich. General Electric Co., Schenectady, N. Y. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. MOTORS (Winch) Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. NAUTICAL INSTRUMENTS Carpenter, George B., & 436 N. Wells Ritchie, E. S., & Sons, Sperry Gyroscope Co., Sperry Bldg., Brooklyn, N. Y. NAVIGATION INSTRUMENTS White, Kelvin & Wilfried O., Co., 112 State St., Boston, Mass. NITROGEN (Gas) Linde Air Products Co., 30 E. 42nd St., NUTS—See BOLTS AND OAKUM (Marine, Rope, Packings, Stratford, George, Oakum Co., 165 Cornelison Ave., Jersey City, N. J. OIL BURNERS Peabody Engineering Corp., 0 E. 42nd St., New York City. OIL BURNING EQUIPMENT Babcock & Wilcox Co., 85 Liberty St., New York City. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Coen Company, Inc., 50 Church St., New York City. Sturtevant, B. F., Co., Park, Boston, OIL FOR ALL PURPOSES (Marine) Texas Co., The, 17 Battery Place, New York City. Vacuum Oil Co., 61 Broadway, New York City. OIL HEATER Coen Company, Inc., 50 Church OIL PURIFIERS Sharples Specialty Co., 23rd & Westmoreland Sts., Philadelphia, Pa. OIL SEPARATION Sharples Specialty Co., 23rd & Westmoreland Sts., Philadelphia, Pa. OIL STRAINERS Ccen Company, Ine.. 50 Church St., OXYGEN (Gas) Linde Air Products Co., 380 E. 42nd St., New York City. PACKING (Tarred and Untarred Jute) Stratford, George, Oakum Co., Jersey City, Co., St., Chicago, Ill. Brookline, Mass. New York City. NUTS Plumbers) Mass. St., New York City. New York City. Wy. PASSENGER SERVICE United American Lines, Inc., 89 Broadway, New York City. PIPE (Welded) American Welding Co., 80 Church St., New York City. PIPING (Cold Storage) Frick Company, Waynesboro, Pa. PLASTER FIBRE Stratford, George, Oakum Co., Jersey City, N. J. PLATES (Floor) American Pressed Steel Co., Commercial Trust Bldg., Philadelphia, Pa. PLUMBERS’ OAKUM Stratford, George, Oakum Co., Jersey POWDERED COAL BURNERS Peabody Engineering Corp., 110 E. 42nd St., New York City. PROPELLER BLADES AND HUBS Columbian Bronze Corporation, Freeport, Long Island, N. Y. Sheriffs Mfg. Co., Milwaukee, Wis. City, NJ. MARINE : REVIEW—October, 1927 PROPELLER WHEELS American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Detroit Ship Building Co., Detroit, Mich. Great Lakes Engineering Works, River Rouge, Mich. Milwaukee Dry Dock Co., Milwaukee, Wis. Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. Sheriffs Mfg. Co., Milwaukee, Wis. Toledo Ship Building Co., Toledo, O. Eout;: i. =Gu>-60., 220 Ohio St., Buffalo, N. Y. PROPELLERS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Columbian Bronze Corp., Preeport, ti 3 Na. YY; Hyde Windlass Co., Bath, Me. Newport News Sh'pbuilding & Dry Dock Co., 233 Broadway, New York City. PUMPS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Dean Brothers Co., 323 W. Tenth St., Indianapolis. Ind. Great Lakes Engineering Works, River Rouge, Mich. Ingersoll-Rand Co., 11 Broadway, PUMPS (Ballast) Dean Brothers Co., _ 823 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., 111 Broadway, New York City. PUMPS (Bilge) Dean Brothers Co., 323 3 W. Tenth St., Indianapolis, Ind: Worthington Pump & Machinery Corp., 111 Broadway, New York City. PUMPS (Boiler Feed) Dean Brothers Co., _ 823 W. Tenth St.. Indianapolis, Ind. Worthington Pump & Machinery Corp., 111 Broadway, New York City. PUMPS (Centrifugal) . o Worthington Pump & Machinery Corp., 111 Broadway, New York City. PUMPS (Direct Acting) Dean Brothers Co., _ 823 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., 111 Broadway, New York City. PUMPS (Fuel Oil) Coen Company, Inc., : 50 Church St., New York City. Worthington Pump & Machinery Corp., é 111 Broadway, New York City. PUMPS (Power) Dean Brothers Co., _ 823 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., 111 Broadway, New York City. PUMPS (Steam) Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., 111 Broadway, New York City. PUMPS (Vacuum) Dean Brothers Co., _ 823 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., 111 Broadway, New York City. PURIFICATION New York City. SYSTEMS—S PURIFICATION SYSTEMS rg ea RADIO COMPASS AND ae ES DIRECTION Federal Telegraph Co. 812 Hobart Bldg., San Francisco, Cal Independent Wireless Telegraph Co. oe 2-8 South St., New York City. of America, 66 Broad St., New York City. RADIO EQUIPMENT Federal Telegraph Co., 812 Hobart Bldg., San Francisco, Cal. Independent Wireless Telegraph Co., é 2-3 South St., New York City. Radio Corp. of America, 66 Broad St., RAILWAY DRY DOCKS Crandall Engineering Co., 102 Border St., Boston, Mass. Radio Corp. New York City. RANGES Stamford Foundry Co., Stamford, Conn. REFRIGERATING MACHINERY Frick Company, Waynesboro, Pa. RELEASING GEARS FOR LIFEBOATS Welin Davit' & Boat Corp., 3805 Vernon Ave., Long Island City, N. Y.