| Year | 1939 |
| Date | 27-Apr |
| Volume | 80 |
| Issue | 1,981 |
| Page | 485 |
| Category | In The Workshop |
| Part | |
| Title | Model Pattern Making Problems |
| Author | |
| Notes | Tenon or chucking pieces for turned work. A pump body casting, metal patterns, the composite pattern, front and back cover castings, special angle-bracket patterns, second operation for a bacl cylinder cover, always have two off, angle bracket casting |