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74 Ask Uncle Sam! If you want to know why Rostand Air Ports are used so extensively in the Navy, just ask Uncle Sam. ROSTAND Air Ports Our plant is one of the largest and best equipped in America. Every part of every air port—except the glass—is made in it. And every air port we make fully equals the U.S. Standard. Write us. THE MARINE REVIEW October, 1920 ROSTAND MANUFACTURING COMPANY | | MILFORD, CONN. Manufacturers of Kinghorn Valves The Dew Automatic Relief Valve for Draining Steam Cylinders Dew Valve Company, Inc. i Se . ee a Main Offices and Sales Department . LIPES &IITTINGS — (aba ae R. : Ey SupPtieD By PURCHASER 149 Broadway, New York City ow Successfully in use on Auxiliary machinery, on various 3 sr | Steamship Lines and in use in many Stationary Plants. Please mention THe Marine Review when writing to Advertisers