| Year | 1966 |
| Date | 18-Feb |
| Volume | 132 |
| Issue | 3,291 |
| Page | 163 |
| Category | For the Schools |
| Part | 3 |
| Title | Screw Threads |
| Author | Duplex |
| Notes | Screw-Threading and Tapping in the Lathe. Forming external threads in the lathe, using the tailstock die-holder, tapping in the lathe, specialised tapping equipment |