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@ Two 42-in. diameter balance needle valves were seriously worn in a hydro- electric plant. They were restored to perfect condition by building-up the worn surfaces with bronze. This was done without dismantling, thus avoiding a week’s shutdown. The outer rings containing the seat were removed. Local preheating was done. Two welders worked together from bottom to top of each valve without stopping. The job was fin- ished in twenty-two hours. and Saved Two ~~ Large 42-Inch Valves” a Mrnennarennns xsseouceeenoonrrwnnnn More than a hundred thousand busi- ness organizations depend on welding for such jobs as this. When the work exceeds the experience of their own welding organization, thousands of them call on the Linde organization and Linde Process Service for assis- tance. This is readily arranged by writing, wiring or telephoning the nearest Linde Sales Office. There are Linde Sales Offices in Atlanta — Baltimore — Birmingham Boston — Buffalo— Butte— Chicago — Cleveland — Dallas — Denver — Detroit — El Paso — Houston — Indianapolis — Kansas City — Los Angeles — Memphis — Milwaukee — Minneapolis — New Orleans — New York — Philadelphia — Phcenix — Pittsburgh — Portland, Ore.— St. Louis — Salt Lake City — San Francisco — Seattle — Spokane and Tulsa. The Linde Air Products Company Unit of Union Carbide and Carbon Corporation P EC CODE Dominion Oxygen Co., Ltd. Toronto In Canada: Deng fe Gy Mectgloe Welalrag avidl Collin PRODUCTS OF UNITS OF mm Line seem UNION CARBIDE AND CARBON CORPORATION LINDE OXYGEN e PREST-O-LITE ACETYLENE @ OXWELU APPARATUS ANU SUPPLIES FR () 8 MARINE REVIEw—June, 1935