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July, 1918 THE MARINE REVIEW 115 Highly superheated steam lends more to ‘‘economy of opera- - tion” than any other one factor. Firetube superheaters and 12 to 20 percent less fuel, deliver at least the same power “In order to Compete with our Foreign Rivals obtainable from a similar plant using saturated steam. Firetube superheaters provide the specified amount of super- After the P resent War heat under any and all operating conditions. 1s over We Must be Firetube superheaters require no auxiliary apparatus to insure ‘ the delivery of the specified amount of superheat. Able to Produce Ships : Firetube superheaters are the only superheaters that will give Equal a Quali ty, C ost you the results you require. - Our engineers will help you to place your vessels on an equal and E conomy of Ope = basis with the more than 1500 ships now using them. ” ration. , : M. E. Farr, President, American Shipbuilding Locomotive Superheater Co. bets ere ae Fifth National Foreign MARINE SUPERHEATERS 30 Church Street, New York Peoples Gas Bldg., Chicago Ballin Water Tube Boilers The only SECTIONAL BOILER with VERTICAL TUBES INSTALLED IN S. S. “H. B. —— ae Fireboats 8). -Pecoma?” 1.36801. HP, “Geo. H. Williams” . ,1000 I. H. P. Holding the Records in the Navies of the World Ferry “‘Leshi’’s.. «0... 1250 I. H. P “David Campbell’? ...1800 I. H. P. S. S. “Rose City” ....3000 I. H. P. The records for Economy, Capacity and Endurance 8. Be OME ye ae Suction Dredges in the Navies of the World, are held by U.S. Seagoing Dredge ‘Duwamish’ .s% scan es 1500 I. H. P “PS. Michie? .<1.;~. 2000 HP: *Tealatin” ccas seus 2500 I. H. P BABCOCK & WILCOX FORGED STEEL U.S. Shipping Board Emergency Fleet Corp., = s Supple-Ballin Shipbuilding Corp., 16 3500 sq. ft. H. S. Boilers. a | fl p a el - ll . 0] ? ‘s G. M. Standifer Construction Co., 20 3000 sq. ft. H.S Boilers. Steam generated in Vertical Tubes can escape to the and steamdrum by its natural buoyancy, while in horizontal tubes it can only be liberated after being forced with the water into S [ e fl h p a { B r S the steamdrum. Think about this important feature and understand why BALLIN BOILERS furnish dry steam. Boy a Because ‘of Vertical Tubes BALLIN BOILERS can use Ee faity pae Whine coined a ale as smaller tubes, which means Safety, Light Weight, Ease of Do you know that Babcock & Wilcox Boilers and Repairs and Compactness. Soreness oe ce eee BALLIN BOILERS have a large Combustion Chamber; Isn’t such a great reduction in coal bills of very i its i great interest to you? : : all Engineers know ate uP Paces p All essential parts of Babcock & Wilcox Boilers are heavier Sediment will not lodge in Vertical Tubes, for this reason than the corresponding parts in Scotch boilers, thus giving nei i greater security against corrosion. : the Engineers like them. Let us send you full details explaining why ‘“‘Babcock & Wilcox” stands for safety, ease of cleaning and simplicity For Further Information Address of operation: Si ae as open es our ape hig be “repeat-orders.” e e ou Know What that means. rite us.at omce. Ballin Water Tube Boiler Co. ae East Oak and East Water Sts. The Babcock & Wilcox Co. Portland, Ore. NEW YORK and LONDON All Commercial Codes Used JOHN J. TURNEY TELEPHONES “ » Lombard 4521 Main 5020 Cable Address ‘“‘“GRANDFIELD 4“ 4522 “ 5021 4523 5022 W. J. GRANDFIELD & CO. COMMISSION MERCHANTS STEAMSHIP AGENTS for American Manufacturers. Custom House, Marine and Insurance Brokers. xp ares NS get SURVEYORS CONSULTING ENGINEERS Philadelphia, Pa. 308 Chestnut Street Please mention THE MarINE Review when writing to Advertisers