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70 SPACING TABLE. Standard Bridge Tool Co., Pittsburgh, Pa, SPECIALTIES. (Steam.) Penberthy Injector Co., Detroit, Mich. Ross Valve Mfg. Co., Troy, N. Y. SPRINGS. (Bed and Bunk.) Southern-Rome Co., Baltimore, Md. STAYBOLTS. (Boiler, Iron or Steel, Hollow or Solid.) Falls Hollow Staybolt Co., Cuyahoga Falls, O. Scully Steel & Iron Co., Chicago, II. STEAM TRAPS. Barton Steam Trap Co., Cleveland, O. STEAM TURBINES. DeLaval Steam Turbine Co., Trenton, N. J. STEAMSHIP LINES. (Passenger and Freight.) American Line, New York City, N. Y. International Merchantile Marine Co., New York City, N. Y. STEERING GEARS. American Engineering Co., Philadelphia, Pa. American Ship Building Co., Cleveland, O. Chase Machine Co., Cleveland, O. Dake Engine Co., Grand Haven, Mich. Detroit Ship Building Co., Detroit, Mich. STOCKS. Armstrong Mfg. Co., Bridgeport, Conn. STOKERS. American Engineering Co., Philadelphia, Pa. Babcock & Wilcox Co., New York, N. Y. STOPPERS. (Chain.) American Engineering Co., Philadelphia, Pa. SUBMARINE ARMOR. Morse, A. J., & Son, Boston, Mass. Schrader’s, A., Son, Inc., Brooklyn, N. Y. SUPERHEATERS. (Locomotive. ) Locomotive Superheater Co., New York, N. Y. SUPERHEATERS. (Marine.) Babcock & Wilcox Co., New York, N. Y. Locomotive Superheater Co., New York, N. Y. SUPPLY HOUSES. Williams, Wm. E., New York, N. Y. SURVEYORS. (Marine.) Babcock & Penton, Cleveland, O. Curr, Robert, Port Arthur, Ont., Can. Furstenau, M. C., Philadelphia, Pa. The Electric Rudder or Helm Angle Indicator Placed in pilot house or on bridge in front of quartermaster, allows him to observe the position of the rudder the same as he does the compass. Can be in- stalled on vessels with or without lighting plan. Electro- Dynamic Company Bayonne, New Jersey, U. S. A. PATENTS TRADEMARKS AND COPYRIGHTS Thirty years’ active practice. Experienced, personal, con- WHERE TO BUY SWITCHBOARDS. .General Electric: Co., Schenectady, N. Y. TANKS. Bath Iron Works, Bath, Me. TANKS. (Riveted.) Lake Erie Boiler Works, Buffalo, N. Y. TANKS. (Steel. ) Fore River Ship Bldg. Corp., Quincy, Mass, TANKS. (Welded Steel.) Continental Iron Works, The, Borough of Brooklyn, N. Y. TELEGRAPH. (Mechanical. ) Cory, Chas., & Son, New York City, N. Y. TESTS OF MATERIALS. Babcock & Penton, Cleveland, O. Curr, Robert, Port Arthur, Ont., Can. Furstenau, M. C., Philadelphia, Pa. THERMIT. Goldschmidt Thermit Co., New York City. TORSION METERS. Cummings Ship Instrument Works, Boston. TOWING LINES. (Manila, Wire.) Waterbury Co., New York, N. Y. TOWING MACHINES. American Engrg. Co., Philadelphia, Pa. Chase Machine Co., Cleveland, O. TRAMWAYS. (Wire Rope.) Waterbury Co., New York, N. Y. TRANSMISSION. (Rope. Waterbury Co., New York, N. Y. TRAPS. (Steam. ) Barton Steam Trap Co., Cleveland, O. TUGS. Bath Iron Works, Bath, Me. TURBINES. Bath Iron Works, Bath, Me. DeLaval Steam Turbine Co., Trenton, N. J. Fletcher, W. A., & Co., Hoboken, N. J. Fore River Ship Bldg. Corp., Quincy, Mass. VALVES. Ashton Valve Co., Boston, Mass. Penberthy Injector Co., Detroit, Mich. Ross Valve Mfg. Co., Troy, N. Y. Williams, Wm. E., New York, N. Y. a ok ND Z Rice INDICA ois | 24 4 PATENTED a Main 272 scientious service. All business strictly confidential. SIGGERS & SIGGERS PATENT LAWYERS Suite 11, National Union Ins. Bldg., Washington, D. C. THE CHASE MACHINE CO. ENGINEERS AND MACHINISTS Mooring Machines, Deck Winches, Steam Capstans, Etc., Etc. Cleveland, Ohio Address 2313 Elm St. N. W. Curtis Marine Turbines Marion Building, Cleveland, Ohio January, 1917 VALVES. (Blow-Off.) Scully Steel & Iron Co., Chicago, IIl, VALVES. (For Water and Gas.) Ashton Valve Co., Boston, Mass. Williams, Wm. E., New York, N. Y. ; VESSEL AGENTS. Chicago Steamboat Exchange, Chicago, III. Vance & Joys Co., Milwaukee, Wis, VESSEL BROKERS. Chicago Steamboat Exchange, Chicago, Ill. Farley, Edward P., Co., Chicago, Ill. Richardson, W. C., & Co., Cleveland, O. WELDING PROCESSES. Goldschmidt Thermit Co., New York City. WHISTLE VALVES. (Electrically Controlled.) Electric Control Co., New .York City. : WINCHES. American Engineering Co., Philadelphia, Pa. Chase Machine Co., Cleveland, O. WINDLASSES. American Engrg. Co., Philadelphia, Pa. American Ship Building Co., Cleveland, O. Dake Engine Co., Grand Haven, Mich. WIRE. Waterbury Co., New York, N. Y. WIRE ROPE. Durable Wire Rope Co., Boston, Mass, Waterbury Co., New York, N. Y. WIRE ROPE DRESSING. Dixon, Joseph, Crucible Co., Jersey City, N. J. WIRE AND WIRING DEVICES. General Electric Co., Schenectady, N. Y. WOOD BORING MACHINES. (Pneumatic. ) Independent Pneumatic Tool Co., Chicago, IIl. WOODEN SHIP REPAIRS. Tietjen and Lang Dry Dock Co., Hoboken, N. J. YACHT BUILDERS. Bath Iron Works, Bath, Me. Rocky River Dry Dock Co., Rocky River, O. : YACHT PLUMBAGO. Dixon, Joseph, Crucible Co., Jersey City, N. J. YARN. (Lath, Fodder.) Waterbury Co., New York, N. Y. Manitowoc, Wis. YAWLS. Drein, Thos., & Son, Wilmington, Del. Manitowoc Ship Building Co., Manitowoc, Wis. Fore River Ship Building Corporation QUINCY, MASS. SHIPBUILDERS and ENGINEERS Brass Founders Machinists Galvanizers Yarrow Watertube Boilers THE MULHOLLAND HATCH-FASTENER COMPANY Cent. 1016 Manufacturers of the Mulholland Simplex and Security Hatch Fasteners. For Ocean and Lake Trade. OVER 225,000 SETS NOW IN USE ON THE GREAT LAKES LAKE ERIE BOILER WORKS BUFFALO, N. Y. BOILERS, TANKS and PLATE WORK OF ALL KINDS : Please mention THE Martine Review when writing to Advertisers