00688cam a2200217 4500 551435316 TxAuBib 20070807120000.0 760618s1976||||||||||||||||||||||||eng|u 76022559 //r84 9780870062124 0870062123 DLC DLC TxAuBib Walker, John R., 1924- Modern metalworking : materials, tools, and procedures / by John R. Walker. South Holland, Ill. : Goodheart-Willcox Co., 1976. 531 p. in various pagings : ill. ; 29 cm. Includes index. 19990215. Metal-work.