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Progress in Oil-Tank Ship Construction THE “BRACKETLESS—SYSTEM” (PATENTED) pee 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 increases the longitudinal strength beyond the well-tried ‘‘Isherwood System.” =H —— SS ames Pee EP 7 LSB a ial ren VX tl CU LH 1 G Z A 4 Sa jennans V0 aeacera Vem ora! Ne 4 Y ||) Se et A Demons Sir Joseph W. Isherwood, Bt. (uit arence, london E.C3 ANDREW J. MORSE & SON, Inc. 221 High Street BOSTON, MASS. Established 1837 Diving Apparatus and Submarine Armor Fire Department Supplies The Morse Monitor Nozzle Callahan Shut-Off Nozzle Propeller Wheels, Marine Engines, Brass and Iron Castings. Large variety of Grate Bars in stock. H. G. TROUT CO. (King Iron Works) 226 Ohio St. BUFFALO, N. Y. Phone: Seneca 5361 Oldman-Magee Boiler Works, Inc. Boilers, Tanks, Stacks, Struc- tural Work andCastings Boiler Repairing Promptly Attended to Day or Night MARINE WORK A SPECIALTY ELECTRIC WELDING BOILER TUBES Seamless Steel—Charcoal Iron—Lapwelded Steel Marine and Stay Tubes with Marine Certificates E.. F. KEATING co. 446-454 Water St., New York, N. Y. Immediate Shipment from New York Stock Telephone Orchard 9700 Works: 36-40 Illinois Street © - BUFFALO, N. Y. Almy Water Tube Boiler Co. Builders of Sectional Water Tube Boilers for all types of HAZEL-ATLAS vessels GLASS Co. ROLLING MILLS Providence, R. I. WHEELING, W. VA. U S A Eastern Sales Office—53 Park PI., N Y C x Ps 5 Western Sales Office—202 Davis St , San Francisco Cal Southern Sales Office—505 Marine Bk Bldg., New Orleans, La CATALOGUE FREE MARINE REVIEW—April, 1928 111