PakCat catalogue record Metalwork, technology and practice technology and practice By Ludwig, Oswald A. Bibliographic details ISBN0873451171 PublisherMcKnight Pub. Co. Publication placeBloomington, Ill. Publication year1975 Edition6th ed. LanguageEnglish Material typeBook Physical descriptionxii, 658 p. Additional authorsMcCarthy, Willard J. Repp, Victor E. SubjectsMachine-shop practice., Metal-work.