Exploring Drafting: Fundamentals of Drafting Technology by John R Walker: Used

Exploring Metalworking: Fundamentals of Technology

Machining Fundamentals by John R Walker: Used

Machining Fundamentals by John R. Walker (2004, Hardcover)

Exploring Drafting by John R. Walker (2012, Hardcover), Plus Worksheet Book

Modern Metalworking by Walker John R. Stier Kenneth W. 1965 Hardcover

Machining Fundamentals by John R. Walker (2004, Hardcover)