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f in of oxwelding The success of the oxy-acetylene process and the remarkable growth in the extent and variety of its applications are convincing testimony that oxwelding is economically sound. It is not possible that one gas company after another should have adopted oxwelded pipe lines unless there were both economy of installation and economy of up- keep. Plant after plant would not have standardized on oxwelded tanks and welded equipment if it were not sound operating policy. Thousands of engineers and operating executives sponsor the oxy-acetylene process by using it. The final cost of the gas-welded joint, because of its greater ruggedness, longer life and elimination of maintenance, is always lowest. DISSOLVED ACETYLENE 22 years old and still growing THE PrREST-O-LITE COMPANY, INC. Unit of Union Carbide and Carbon Corporation General Offices: Carbide and Carbon Building 30 East 42d St., New York 31 Plants —101 Warehouses Vol. 57, No. 5, May, 1927 issue of MARINE REVIEW, published monthly at Cleveland, Ohio. Entered as second class matter at the post office, Cleveland, Ohio, under the act of March 8, 1879. Subscription price $3.00 a year in U. S.; Canada, $4.00; Great Britain, £1; single copies 35c.