The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!

Q “A properly made oxy-acetylene welded joint is as strong as the base metal, fully 100% efficient .7 “Properly made”’ means made under proce- dure control,—produced under standards dictated by the best engineering practice. The Pioneers in Procedure Control or Oxwelding LINDE OXYGEN The Linde Air Products Co. Srest:O-Lite Dissolved Acetylene The Prest-O-Lite Co., Inc. ~~ Qwelq Apparatus and Supplies Oxweld Acetylene Company ys ES Shea ND AEN UNION CARBIDE Union Carbide Sales Co. Units of UNION CARBIDE AND CARBON CORPORATION General Offices CC! Sales Offices 30 East 42nd Street, New York, N. Y. 65 Linde Plants—48 Prest-O-Lite Plants—174 Oxygen Warehouse Stocks—156 Acetylen > Stocks— Apparatus Warehouse Stocks—245 Carbid e Warehouse Seok: oo renaete Syncks ™_-E--.... Se SS 12 MARINE REVIEW—March, 1930 In principal cities of the country