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E350 TAE Marine REVIEW Chas. Cory~ c® Son Manufacturers of Mechanical Telegraphs and Engine Bells, Electric Lights, Bells and Fire Alarm Systems. 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 We can interest you if Feed-Water Filter you use a condenser. For Marine and Land Service. Two = . of these Filters are Water Engines for Pumping Organs jnuseon the Oceanio THE ROSS VALVE MFG. Co. "sr QUINTARD IRON WORKS CO. MARINE TURBINES ENGINES, BOILERS AND MACHINERY Offlee 742 E. (2th 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 and Cushions M. W. FOGG FER Mattresses 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 have for 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 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. Twohundred are in daily service on steamers. H. B. ROELKER, 41 Maiden Lane, NEW YORK. Consultimg and Con- Designer and Manufacturer FT. OF 17th STREET Telephone 700 Hoboken HOBOKEN, N. J. structing Engineer. of Screw Propellers. ORAM FIX ESTABLISHED 1860 J. W. FIX : y Gs Established 1844 , S 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. ih A. SCHRADER'S SON, Inc. i 32 Rose Street, NEW YORK Manufacturer of ' Submarine Armor and Diving Apparatus We carry a complete stock of Dresses, Hose and Repair Sundries. Cor. LEONARD AND WINTER Sts. CLEVELAND, OHIO (0 Improved Bolt Helmet All orders filled day received Write for our prices "OF 7 / e 99 An important reference work on scientific Steam Turbine construction with an appendix on Gas Turbines, and the future of Heat Engines. Contains 435 pages 6 x g inches, 241 cuts and 3 eee tables. Bound in heavy cloth.: Price $4.50. Order' from Translated by By DR. A. STODOLA MARINE REVIEW DR. LOUIS C. LOEWENSTEIN ZURICH CLEVELAND Lehigh University