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February, 1917 PROVABLE FACTS— [é you want to experiment—you won’t be interested in the WAGER PATENT IMPROVED FURNACE BRIDGE WALL. BUT if you want a bridge wall that has in it five years of making good; a bridge wall that is turning the marine industry away from the antiquated fire brick; one that insures less smoke, minimum upkeep, greater efficiency and backed up by responsible references including all the leading railroad, freight and passenger steamer companies, private yacht owners, stationary plants and others—you, WILL be interested in the WAGER BRIDGE. This isn’t argument, or persuasion, or contention. It’s just simple, provable facts. May we prove these facts to you? ROBERT H. WAGER FURNACE BRIDGE WALLS. New York Philadelphia Detroit New York Office: Singer Building - - - Telephone: Cortlandt 4299 SHERIFFS MANUFACTURING CO. PROPELLER WHEELS and PROPELLER BLA Ds to fit any hub. MILWAUKEE, WIS. Federal Boiler Inspection Easily Taken Care of by Falls Hollow Stays ANY SIZE OUTSIDE OR INSIDE DIAMETER.. s , AVERAGE LENGTH OF HOLLOW BARS | BOTH HOLLOW AND SOLID, = ! MADE OF BEST QUALITY DOUBLE REFINED CHARCOAL / [RON OR STEEL. CUYAHOGA FALLS. 0. U.S.A. They eliminate drilling expenses and make unfailing tell-tales on fractured or broken stays. They possess double the endurance of Solid Stays, and are a proof without test against broken stays FALLS HOLLOW STAYBOLT CO. CUYAHOGA FALLS, OHIO, U.S.A. THE MARINE REVIEW NORTHERN GRANES ELECTRIC CRANES - ELECTRIC HOISTS - AIR HOISTS NORTHERN ENGINEERING WORKS 111 DETROIT, MICHIGAN U. S. Metallic Packing . FOR: Marine Engine Piston Rods and Valve Stems The U. S. Metallic Packing Co., PHILADELPHIA, PA. _ Write for Catalog EFFICIENT SCREW PROPELLERS ARE OBTAINED BY USING ree DYSQN mcm. 2 OF THE LARGEST STEEL SHIPS NOW ov E ed BUILDING in this Country WILL CARRY PROPELLERS DESIGNED BY THE AMERICAN SCREW PROPELLER CO. Hale Building Consulting Engineers CAPT.C.W. DYSON Philadelphia, Pa. /itHER'D. LOVEKIN, M. E. WRITE FOR OUR CATALOG Director RAYMOND E. LOVEKIN MANUFACTURERS OF STAR BRAND * BLOCKS * Special Blocks of all styles for all kinds of heavy work STRONGEST BLOCKS MADE BLOCKS G and PUMPS No. 1811. FOR MARINE CONTRACTORS, Pp U M P SewerDepartments,WaterWorks and Railroads. BOSTON & LOCKPORT BLOCK CO. 124 Condor Street EAST BOSTON, MASS. NEW YORK CITY CHICAGO SAN FRANCISCO 33 South Street 413 Fort Dearborn Bldg. 110 Market Street