John R. Walker
1924 · 37 obras en el catálogo
Obras
Exploring power technology
Industrial arts drafting
Metal projects
Graphic arts, fundamentals
Welding print reading
Arc welding
Exploring metalworking
Machining Fundamentals
Exploring drafting
Modern metalworking
Exploring drafting: basic fundamentals
Exploring metric drafting
Machining fundamentals; fundamentals basic to industry
Metric workbook for use with exploring drafting
Modern metalworking: materials, tools, and procedures
Workbook for exploring metalworking
Workbook for modern metalworking
Arc welding
Arc welding
Modern metalworking
Machining fundamentals
Arc welding
Machining fundamentals
