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16 THE MARINE REVIEW October, 1916 FIRE TUBE MARINE SUPERHEATER EIGHT REASONS WHY 1. It is adaptable to either new or existing boilers of the fire tube type and can be applied with no change in design or construction. Caen ee en ee NT ainiialiNiiEaaSnieataani aie 2. It renders possible an increase in output of boiler horse power from a given boiler plant, 10% to 20%. 3. It will produce the same power output with fewer boilers. 4, It reduces the size of the bunkers, thereby reducing the draft of the vessel with a given cargo or making possible an increase in revenue cargo. 5. It results in a saving of fuel over saturated plants, both operating under the same draft conditions, of 10% to 20%. 6. It reduces the maintenance costs by the prevention of water hammer, leaky flanges and con- densation in the cylinders. 7. It does not prevent rapid, thorough and frequent cleaning of the tubes.” 8. Its construction provides easy access to all screwed joints and the easy removal of the parts. LOCOMOTIVE SUPERHEATER COMPANY 30 Church Street, NEW YORK, N. Y. Eckliff Boiler Peoples Gas Bldg., CHICAGO, ILL. “Known throughout the Maritime World.” The McNab Direction Indicators **Watch the Thermometer’’ Circulators (Gold Medal and Diploma Awards) indicate every move- ment and record the engine revolutions on the bridge. Thousands installed and specified for installation on 90% of steam vessels building in this country. NO STEAMER COMPLETE WITHOUT IT. Mice te ligt ai the bottom The Willett-Bruce S. S. Whistle Control and steaming at highest The only control adopted by all Trans-atlantic and other efficiency. Lines, large number of installations on order and installed @ If they are not Eckliff- in this country. (If your Scotch Boilers are Eckliff-equipped, An automatic fog signal assured, and a dry, clear, equipped, they’re not hot crisp, penetrating blast guaranteed. at the bottom and are not steaming at highest efi- || The McNab Pneumatic Engine Counter ciency. Connect it up by a pipe and install it on your steam gauge : board; do away with your constant clattering rods and q Why not put.your boilers small gear; it is a ‘revolution in counters.” in the Highest Efficiency class? The McNab ‘‘Cascade’’ Boiler Circulator q Eckliff results are proved and Fuel Economizer results—and they’re guar- : : : : anteed Hundreds installed; a practical Circulator that does cir- : culate and economize. GEE TRE ROVELET Write for a full set of our books. THE McNAB COMPANY, Bridgeport, Conn. or EDW. P. FARLEY, 1501 Railway Exchange Bldg., Chicago, II. D. E. FORD, 465 California St., San Francisco, Cal. M. M. DRAKE, 17 Battery Place, N. Y. City. ECKLIFF AUTOMATIC BOILER CIRCULATOR CO. DETROIT 54 Shelby Street MICHIGAN Have You Read hs Classified Advertisements? Real bargains in Passenger and Freight Boats, Dredges, Tugs, Dredging Machinery, Engines, Boilers, Cranes, and other opportunities are awaiting you. Take a Look Now—You May Find Something Interesting 202 Please mention THE Marine REVIEW when writing to Advertisers