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Progress in Oil-Tank Ship Construction THE “BRACKETLESS—SYSTEM” (PATENTED) Eliminates Bulkhead Brackets. Eliminates Bulkhead Leakage. Greatly simplifies construction. Greatly reduces cost of upkeep and cost of damage repairs. Greatly reduces cost of cleaning tanks. Substantially inc itudi 3 : ‘ reases the | strength beyond the well-tried ‘‘Isherwood System.” . 2 , es L ——— | = os ——y if : | Se || A LA we ¢ UE ime | | Hi HO CFU A HT U i For Particulars Apply e , 17 Battery Place, New York and ~ Sir Joseph W. Isherwood, Bt. ii seons, London B.C 3 “4 Cap’n Allswell says: ‘‘When it comes to power, your propeller’s the neck o’ the bottle. Open ’er up wide with a Columbian!”’ Write for ‘‘Propellers in a Nut Shell’ igs =, Columbian Bronze Corporation, 238 North Main St., Freeport, L.I., N. Y. Che COLUMBIAN Bronze PROPELLERS OSBORN & LANGE, Inc. INSURANCE AVERAGE ADJUSTERS . Marine Insceenee Hulls and Cargoes (All Classes). Direct facilities for JOHN PRINDIVILLE & SONS placing insurance in all home and foreign markets. Vessel Agents and Brokers 411 Chamber of Commerce Grain Exchange MILWAUKEE WINNIPEG INSURANCE EXCHANGE 175 West Jackson Blvd. CHICAGO, ILL. John J. Boland : Adam E. Cornelius BOLAND & CORNELIUS VESSEL OWNERS AND BROKERS Edward P. Farley & Co. Incorporated Steamship Owners, Agents and Brokers Marine Insurance Agents Marine Trust Building BUFFALO, N. Y. 11 Broadway—New York MARINE REVIEW—October, 1927 85