MARINE DEPARTMENT American Bridge Company FRICK BUILDING PITTSBURGH. PENNA. BUILDERS OF STEEL BARGES for RIVERS and HARBORS CAR-FLOATS NATIONAL Diesel Engine Forgings We manufacture High Grade Carbon and Alloy Steel Forg- ings, furnished smooth forged, rough turned, heat treated and Frick Refrigeration gives you the benefits of cold drinking finished complete: specializing ee in Diesel Engine Forgings, room fer food. Its very dependable. Hollow Bored Forgings, Write us. rough or finished bored, and Bulletin on request. Ordnance Work. National Forge & Ordnance Co. IRVINE, WARREN CO., PENNA. Bell Phone: 55 Youngsville, Pa. Branch Offices Chicago Cleveland New York Detro't 58 MARINE REVIEW—August, 1927