MARINE REVIEW December, 1926 21 years old but still Growing Large volume usually in- dicates a good product. Certainly this is true of Prest-O-Lite dissolved acet- ylene which has been used in greater volume year after year for 21 years. Today you can obtain Prest-O-Lite for oxy-acetylene welding and cutting from 116 plants and warehouses. The PREST-O-LITE COMPANY, Inc. Oxy-Acetylene Division General Offices: Carbide and Carbon Building 30 East 42d St., New York InCanada: Prest-O-Lite Co. of Canada, Ltd.,Toronto 31 Planis—85 Warehouses—22 District Sales Offices DISSOLVED ACETYLENE Please mention MARINE REVIEW when writing to Advertisers as