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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 increases the longitudinal strength beyond the well-tried ‘‘Isherwood System.”’ emceneee |) esse Y aK mee ~ = 5 Hil 2a I l a (| ais | | 7 | : TH a S ba | pecintitty the —= ———— — i i —————— 2. —_———— ———— ! nae meme ee eed RELI Poe Ras av aN! CU TH TT | | COO EY VA VIVA UT For Particulars Apply Sir Joseph W. Isherwood, Bt. fics? accnus, London, B.C. 3 Gas Free Tanks Will Never Explode WHEELER SYSTEM Quickest, Safest, Cleanest, Cheapest OIL TANK CLEANING Salvage Process Corporation _ 224 Bush St. 30 Broad St. Ab re two Salvage Process Corp, ia. ove are two Salva ess BROOKLYN Fis ni oes NEW YORK cleaning tanks on SS. President Roosevelt MARINE REVIEW—May, 1927 61