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'TAE MARINE. REVIEW 67 . A % = \ Be co Se a eS ee Rig anaes a Re a HINK of the work you expect a Hydraulic Jack to do if it's going to be any good to you--to lift and carry for an indefinite period, a load that nothing but a good Hydraulic Jack can stand under. Then ask yourself if such loads should be imposed on anything but the very best of workmanship and materials. We took this into consideration in rejecting so-called seamless tubing for WATSON - STILLMAN HYDRAULIC JACKS and make rams and cylinders from solid steel billets. The jacks we build can be trusted, absolutely and we furnish them in 300 styles suited for every purpose. a Send for Jack List, Edition "N."' WATSON-STILLMAN CO. Offices: 46 Dey Street, NEW YORK 453 The Rookery, CHICAGO j Katzenstein's Sel(f- Acting Netal Packing For PISTON RODS, VALVE STEMS, etc. of every description for Steam Engines, Pumps, etc., etc. Adopted and in use by the principal Iron Works and Steamship Companies in this and foreign countries. FLEXIBLE TUBULAR METALLIC PACKING, for slip-joints on Steam Pipes, and for Hydraulic Pressure ; also METAL GASKETS for all kinds of flanges and joints. For full particulars and reference,address L. KATZENSTEIN & CO. GENERAL MACHINISTS, BRASS FINISHERS, ENGINEERS' SUPPLIES. 358 West street, New York. ROAGH'S SHIP YARD. F@ Ship Building in all its Branches Builders of STEANSHIP AND NARINE MACHINERY. Delaware River Iron Ship Building & Engine Works, Chester, Pa. Se baa aad a Smooth=On Elastic Cement combined with Smooth=-On Iron Cement No. 1 makes a hydraulic iron cement that stops leaks of steam, hot or cold water. Unequaled for seams of boilers or tanks where caulk= ing is difficult, for boiler patching, screw=thread joints, flanged joints and cracks. Illustrated Instruction Book Free SMOOTH-ON MFG. CO. JERSEY CITY, N. J., U.S. A. CAS (RON OR STEEL FORGINGS FINISHED COMPLETE, ROUGH MACHINED OR SMOOTH FORGED ONLY, OF ANY WEIGHT. "COUPLING LINKS AND PINS. PRESSED WROUGHT IRON TURNBUCKLES. CAR IRON SPECIALTIES. Neversink Cork Jackets and Life Belt Warranted 24 pounds. Buoyancy and full weight of Cork, as _ required by U. S. Inspectors. Consolidated Cork Life Preservers. Ch t Ring Buoys and Fenders. Capes pPpror et and adopted by U. S. Board of Supervising Inspectors. Also adopted by the principal Ocean, Lake and River Steamer Lines as the only Reliable Life Preserver. Awarded four Medals by World's Columbian Exposition... Metallic and Wooden LS Life Boats. Eye Metallic Life Rafts. Marine Drags. =-- Manufacturers of Woolsey's Patent Life Buoy--the lightest, cheapest and most compact life raft known. DAVID KAHNWEILER'S SONS, --= Fox Building, Cor. Franklin Sq. and Dover Street, -- NEW YORK CITY.