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ld it / Oxweld it: It wasn’t so very long ago that a broken cast- ing frequently meant sizable financial loss: idle machines; expensive new parts; delay until they could be received and installed. , Nowadays the repair of castings is quickly accomplished with oxy-acetylene welding, often without dismantling the machine. Most master mechanics are thoroughly familiar with the process and know that the technique has been perfected. The simplicity of repairing a ma- chine on the spot without any delay has saved many companies thousands of dollars. Most of these repairs are made with Prest- O-Lite dissolved acetylene—the standard weld- : ing gas for 22 years. Because of Prest-O-Lite, welding progress has been possible. DISSOLVED ACETYLENE 22 years old and still growing 4 . THE PREST-O-LITE COMPANY, INC. Unit of Union Carbide and Carbon Corporation General Offices: Carbide and Carbon Bldg., 30 East 42d St., New York 31 Plants—101 Warehouses Vol. 57, No. 7, July, 1927, issue of MARINE Review i 5 i J. ? , » Iss i Re » published monthly at Cleveland, Ohio. Entered as second class matter at the post office, _ Cleveland, Ohio, under the act of March 3, 1879. Subscription price $3.00 a year in U. S.; Canada, $4.00; Great Britain, £ 1; single copies 35ce.