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50 "TAE Marine REVIEW Chas. Cory ¢& Son Manufacturers of Mechanical and Electrical Telegraphs and Indicators, Engine Bells and Electric Call Bells. 9 PATENTEES NEW YORK 286 Spring St., near Hudson NEW YORK CITY Feed Water Filters, Regulators and Engines We make Pressure Regulating Valves for all purposes, steam or water. Our Feed-Water Filter will keep oil out of your boiler. Keep Oil out of your Boiler with the Feed-Water Filter For Marine and Land Service. Two : . . f these Filters are Water Engines for Pumping Organs ?nuscoon the Occanio THE ROSS VALVE MFG. Co. We can interest you if you use a condenser. ee QUINTARD IRON WORKS CO. MARINE TURBINES ENGINES, BOILERS AND MACHINERY Offlee 742 E. 12th St, NEW YORK The Lockwood Manufacturing Co. EAST BOSTON, MASS. ENGINEERS AND MACHINISTS Builders of Steamships, Tow Boats and Marine Engines Repairing of Hulls and Machinery M. W. FOGG Eve Mattresses and Cushions 202 Front Street NEW YORK CITY HAVE YOU noticed how most people closely scan the "for sale' and "wanted" columns of their trade paper? Tell them through the MARIne REVIEW what you want or what you havefor sale. They want to know. The cost is a trifle, $1 the inch. One dollar the minimum. Tietjen G Lang Dry Dock Co. HOBOKEN, N. J. EIGHT DRY DOCKS 600, 800, 1,000, 1,200, 1,400, 1,800, 2,000, 10,000 TONS General Repairs on Wooden and Iron Vessels FT. OF 17th STREET Telephone 700 Hoboken HOBOKEN, N. J. THE ALLEN DENSE-AIR ICE MACHINE Contains no chemicals, only air. Proven by many year's service in the tropics on United States men-of-war, steam yachts and passenger steamers. Two hundred are in daily service on steamers. H. B. ROELKER, Gi Maiden Lane, NEW YORK. Designer and Manufacturer of Screw Propellers. Consulting and Con- structing Engineer. 'ESTABLISHED 1860 Ss. FIX'S SONS SUCCESSORS TO S, Fix & SON Steam Flue Welding Works Our work stands government test. Our Welds are perfectly smooth. Write us for prices. Cor. LEONARD AND Winter Sts. ORAM FIX J. W. FIX CLEVELAND, OHIO mA : is Established 1844 ' A. SCHRADER'S SON, 32 Rose Street, NEW YORK Manufacturer of ; Submarine Armor and Diving Apparatus Wecarry a complete stock of Dresses, Hose and Repair Sundries. ( Improved Bolt Helmet All orders filled day received Write for our prices Inc. clotithue epice: £4..50. By DR. A. STODOLA ZURICH Order from MARINE REVIEW CLEVELAND "Steam Turbines_-- An important reference work on scientific Steam Turbine construction with an appendix on Gas Turbines, and the future of Heat Engines. 435 pages 6 x 9 inches, 241 cuts and 3 lithograph tables. Contains Bound in heavy Translated by DR. LOUIS C. LOEWENSTEIN Lehigh University