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February, 1927 SIs 18 Months’ Work The Ellis Steel Channel System is now in use by New York Central Lines— *Raymond Concrete Pile Co.—New York & Hastings Steamboat Co. (Anaconda Copper Mining Co. sub- sidiary)—Red D Line and other lead- ers in their field. *Repeat Orders ELLIS CHANNEL SYSTEM OF STEEL HULL CONSTRUCTION Patented Edgar Ames, Sole Licensee 30 Church Street, New York Courtesy “ Motorship”? Port of Portland’s Diesel- electric Dredge ‘‘Clacka- mas.”’ Eepir RICKS Refrigeration on the : World’s Largest Dredge d of the “‘Clackamas” have the benefits of cold on ee a a cold storage room for food, through a Frick Combined Refrigerating Machine. What has your ship? Bulletins on request. MARINE REVIEW 67 ELLIS HULLS ARE STRONG| ‘U.S’ Rubber Sleeves Prevent Corrosion _ h d wei ; Reduce Shaft Maintenance to a Minimum! XPERIENCED | ship-owners, marine engineers and architects realize full well the enormous toll that salt water corro- sion exacts from the marine industry every year. The United States Rubber Company, leaders in the production, manufacture and develop- ment of rubber and its products, have, after painstaking experimentation with marine ex- perts, perfected a protective rubber sleeve for steel propeller shafting, that has met with immediate success. The cost of one dry docking for shaft renewal or repair might easily protect your entire fleet against shaft cor- rosion. Let us tell you the full story of ‘‘U. S.’’ Rubber Sleeve protection. United States Rubber Company Trade Mark Marine Sales Department 1790 Broadway New York City A rubber covered shaft will not corrode --- Please mention MARINE REVIEW when writing to Advertisers