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"TAE. MarRINE. REVIEW We build Hydraulic Jacks that can be used to special advantage in ship yards and on board ship. Watson-Stillman Hydraulic Jacks are absolutely reliable under all conditions, having the ram and cylinder wrought and bored from solid steel billets, ensuring a stability un- known to Jacks in which so-called seamless tubing is used. Send for our jack list. Edition, it describes nearly 300 varieties of Hy- draulic Jacks for every purpose, yours for the asking Watson-Stiilman Go, Offices: 46, Dey St., NEw YorK 453 The Rookery, CHICAGO Kaitzenstein's Self- 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 & @O. GENERAL MACHINISTS, BRASS FINISHERS, ENGINEERS' SUPPLIES. 358 West street, New York. (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. ROAGH'S SHIP YARD. Ship Building in all its Branches Builders of STEANSHIP AND MARINE MACHINERY. Delaware River Iron Ship Building & Engine Works, Chester, Pa. OTH-ON RADE marRK For Soft Patches Mix a compound of one part of Smooth- On Elastic Cement and one part of Smooth-On Iron Cement No. 1, by vol- ume, which combine to make a stiff metallic putty, easy to work and easy to apply. The boiler can be used as soon as application is completed. The above combination is unequalled for boiler patching and stopping leaky seams where caulking is difficult. Write for our Lllustrated Catalogue. SMOOTH-ON MFG. CO. JERSEY CITY, N. J., U.S.A. ACTING ae Neversink Cork Jackets and Life Belt Warranted 24 pounds. Buoyancy and full weight of Cork, as required by U.S. Inspectors. Safes Cheapest t Consolidated Cork Life Preservers. Ring Buoys and Fenders. Approved and adopted by U. 8S. Board of Supervising Inspectors. so 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 AN Life Boats. === Metallic Life Rafts. W2-- 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.