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AAVUU HOUT ESE PRUSANTA TEETER January, 1927 TORSION METERS Cummings Machine Works, 255 Atlantic Ave., Boston, Mass. PI TTUOTUOTTCCLTUUT TUTTLE LULL. CULL ULL ooo PRT UT TMM CTCL snr PUMPS (Vacuum) SHIPBUILDERS Dean Brothers Co., American Shipbuilding Co., 323 W. Tenth St., Indianapolis, Ind. Foot of W. 54th St., Cleveland, O. Worthington Pump & Machinery Corp., 115 Broadway, New York City PURIFICATION SYSTEMS—See WATER PURIFICATION SYSTEMS RADIO COMPASS AND FINDER Federal Telegraph Co., : 812 Hobart Bldg., San Francisco, Cal. RADIO EQUIPMENT Federal Telegraph Co., : 812 Hobart Bldg., San Francisco, Cal. Radio Corp. of America, : 66 Broad St., New York City. RAILWAY DRY DOCKS Crandall Engineering Co., 102 Border St., Boston, Mass. RANGES Stamford Foundry Co., Stamford, Conn. REFRIGERATING MACHINERY Brunswick-Kroeschell Co., New Brunswick, N. J. Frick Company, Waynesboro, Pa. Phoenix Ice Machine Co., 2711 Church Ave., Cleveland, O. RELEASING GEARS FOR LIFEBOATS Welin Davit & Boat Corp., % 805 Vernon Ave., Long Island City, N. Y. REPAIRS (Marine) American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Chicago Shipbuilding Co., So. Chicago, Ill. Great Lakes Engineering Works, River Rouge, Mich. Corp., Manitowoc, Wis. Newport News Shipbuilding & Dry Dock Co., Newport News, Va. Sun Shipbuilding & Dry Dock Co., Chester, Pa. DIRECTION Manitowoc Ship Building Todd Shipyards Corporation, 25 Broadway, New York City. Toledo Shipbuilding Co., Toledo, O. REPAIRS (Marine Engines) New London Ship & Engine Co., 11 Pine St., New York City. REVOLUTION COUNTERS Sperry Gyroscope Co., Manhattan Bridge Plaza, Brooklyn, N. Y. RIVETS Oliver Iron & Steel Corp., 10th and Muriel Sts., Pittsburgh, Pa. RIVETS (Boiler) — See BOILER RIVETS ROPE (Manila) Columbian Rope Co., Auburn, N. Y. Plymouth Cordage Co., North Plymouth, Mass. ROPE (Manila, Net, Sisal, and Other Hard Fiber Cordage) Columbian Rope Co., Auburn, N. Y. Plymouth Cordage Co., North Plymouth, Mass. Whitlock Cordage Co., 46 South St., New York City. ROPE (Transmission) Columbian Rope Co., Auburn, N. Y. Plymouth Cordage Co., North Plymouth, Mass. ROPE (Wire)—See WIRE ROPE ROPE OAKUM Stratford, George, Oakum Co., Jersey City, N. J. RUDDERS McNab Corp., 1 Bright Place, Yonkers, N. Y. RUST PREVENTATIVE (Oil) Vacuum Oil Co., 61 Broadway, New York City. SCHOONERS (Auxiliary) American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Chicago Shipbuilding Co., So. Chicago, Ill. Milwaukee Dry Dock Co., Milwaukee, Wis. Toledo Ship Building Co., Toledo, O. SEARCHLIGHTS (High Intensity) General Electric Co., Schenectady, N. Y. Sperry Gyroscope Co., Manhattan Bridge Plaza, Brooklyn, N. Y. SEARCHLIGHTS (Incandescent and Arc) General Flectrie Co., Schenectady, N. Y. SEPARATORS (Oil) Babcock & Wilcox Co.. 85 Liberty St., New York City. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. & Sons Ship & Engine Bldg. ‘Co., Philadelphia, Pa. Great Lakes Engineering Works, River Rouge, Mich. Wis. Manitowoc Ship Building Corp., Newport News Shipbuilding & Dry Dock Co., Cramp, Wm., Manitowoc, : Newport News, Va. Sun Shipbuilding & Dry Dock Co., Chester, Pa. Todd Shipyards Corporation, 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, 30 Church St., New York City. SHIP LOGS Walker, Thomas, & Son, Ltd. 58 Oxford St., Birmingham, England. SHIP .REPAIRS Cramp, Wm., & Sons Ship & Engine Bldg. Co., Philadelphia, Pa. SHIP STABILIZERS Sperry Gyroscope Co., Manhattan Bridge Plaza, Brooklyn, N. Y. SIGNALS American Strombos Co., Inc., 5 South 18th St., Philadelphia, Pa. SPECIAL FURNISHINGS Knipp, ae C., & Sons, 43 N. Charles St., Baltimore, Md. 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 TRAPS Davis Engineering Cuv., 90 West St., New York City. STEEL BARGES—See BARGES (Steel) STEEL TANKS Brunswick-Kroeschell Co., New Brunswick, N. J. STEERING ENGINES Hyde Windlass Co., Bath, Me. STEERING GEARS American Engineering Co., Aramingo and Cumberland Ave., Philadelphia, Pa. American Shipbuilding Co. Foot of W. 54th St., Cleveland, 0. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. McNab Corp., 1. Bright Place, Yonkers, N. Y. STILL (Water) Perfection Equipment Co., Granite Bldg., St. Louis, Mo. STORAGE BATTERIES Electric Storage Battery Co., Philadelphia, Pa. STOVES Stamford Foundry Co., Stamford, Conn. STRAINERS (Oil) Coen Company, Inc., 50 Church St., New York City SUPERHEATERS (Marine) Power Specialty Co., . 111 Broadway, SWITCHBOARDS Cory, Chas., & Son, Inc., 188 Varick St., New York City. Engberg’s Electric & Mechanical Works, 22 Vine St., St. Joseph, Mich. Genera] Electric Co., Schenectady, N. Westinghouse Electric & Mfg. Co. East Pittsburgh, Pa. TACKING LINES (Manila) Plymouth Cordage Co., North Plymouth, Mass. TANKS (Welded Steel) Continental Iron Works, The, West and Calyer Sts., Brooklyn, N. Y. TELEGRAPH (Electrical, Mechanical) Cory, Chas., Son, Ine., 183 Varick St., New York City. TELEMOTORS (Hydraulic and Electric) American Engineering Co., Aramingo and Cumberland Ave., Philadelphia, Pa. TELEPHONE SYSTEMS Cory, Chas., Son, Inc., 183 Varick St., New York City. TICKETS FOR EUROPE International Mercantile Marine Co., 1 Broadway, New York City. New York City. TOWING AND MOORING ENGINES American Engineering Co., Aramingo and Cumberland Ave. ,Philadelphia, Pa. TOWING LINES Whitlock Cordage Co., : 46 South St., New York City. TRANSMISSION (Rope)—See ROPE (Trans- mission) TUBES (Boiler, Stay, Yarrow) Keating, E. F., Co., 446 Water St., New York City. Tyler Tube & Pipe Co., Washington, Pa. TUBES (Condenser) Seovill Manufacturing Co.. Waterbury, Conn.. TURBINES (Electrical) General ‘Electric Co., Schenectady, N. Y. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa.. TURBINES (Marine) Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Newport News Shipbuilding & Dry Dock Newport News, Va.. TURBINES (Steam) Cramp, Wm., & Sons Ship & Engine Bldg. Co., Philadelphia, Pa. De Laval Steam Turbine Co., Trenton, N. J. Sturtevant, B. F., Co., Hyde TWINE AND ROPE Columbian Rope Co., Auburn, N. Y. Plymouth Cordage Co., North Plymouth, Mass.. UPHOLSTERY Knipp, John C., & Sons, 348 N. Charles St., Baltimore, Md. VALVES AND FITTINGS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, VENTILATING EQUIPMENT Sturtevant, B. F., Co., Hyde Park, Boston, Mass.. WATER GAGES AND ALARMS Jerguson Gage & Valve Co., Winter Hill, Somerville, WATER PURIFICATION SYSTEMS Griscom-Russell Co.,, 285 Madison Ave., New York City. Perfection Equipment Co., Granite Bldg., St. Louis, Mo. WELDERS (Electric Arc) Westinghouse Electric & Mfg. Co., East. Pittsburgh, Pa. WELDING AND CUTTING GAS Prest-O-Lite Co., Inc., 30 E. 42nd St., New York City. Park, Boston, Mass.. Pa. Mass, WINCHES American Engineering Co., Aramingo and Cumberland Ave., Philadelphia Pa. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Dake Engine Co., Grand Haven, Mich. Hyde Windlass Co., Bath, Me. McNab Corp., 1 Bright Place, Yonkers. N. ¥. Superior Iron Works Co., Superior, Wis. Welin Davit &- Boat Corp., 305 Vernon Ave., Long Island City, N. Y. WINDLASSES American Engineering Co., Aramingo and Cumberland Ave., Philadelphia, Pa. American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Carpenter, George B., & Co., 486 N. Wells St., Chicago, Ih Dake Engine Co., Grand Haven, Mich. Hyde Windlass Co., Bath, Me. McNab Corp., 1 Bright Place, Yonkers, N. ¥. Superior Iron Works Co., Superior, Wis. WINDOWS (Balanced Frameless) Kearfott Engineering Co., 95 Liberty St., New York City WIRE AND WIRING DEVICES Cory, Chas., & Son, Inc., 1838 Varick St., New York City General Electric Co., Schenectady, N. Y. WIRE ROPE Durable Wire Rope Co., 98 Pearl St.,. Boston, Mass. WIRELESS MESSAGE SERVICE Federal Telegraph Co., 812 Hobart Bldg., San Francisco, Cal. WTRELESS SETS AND APPARATUS Federal Telegraph Co., 812 Hobart Bldg., San Francisco, Cali Radio Corp. of America, 66 Broad St., New York City. YACHT ROPE Plymouth Cordage Co., North Plymouth, Mass: