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The“Superior” Spur Geared Windlass Le WE ALSO BUILD Windlasses Steering Gears Capstans Gypseys Winches Hoisting Engines Swinging Engines Power Pawl Posts Dredge Deck Engines Anchor Hoists Scow Winding Gears Drill Frame Hoists Suction Pipe Hoists Stee) and Wooden Derricks Manufacturers of Steam and Electrical Machinery SUPERIOR IRON WORKS COMPANY SUPERIOR, WISCONSIN G-R Evaporators Diesel Engine protect Forgings 9,000,000 Bhp We manufacture High Grade Carbon and Alloy Steel Forg- ings, furnished smooth forged, rough turned, heat treated and finished complete; specializing in Diesel Engine Forgings, Hollow Bored Forgings, rough or finished bored, and Ordnance Work. Assure pure boiler feed Shed scale automatically Increase boiler capacity NATIONAL National Forge & Ordnance Co. IRVINE, WARREN CO., PENNA. Bell Phone: 55 Youngsville, Pa. THE GRISCOM-RUSSELL CO. 285 Madison Ave., New York Branch Offices Chicago Office: 814 Monadnock Bldg. Chicago Cleveland New York Detro:t Branches in principal ports Te MARINE REVIEw—April, 1928