| Year | 1966 |
| Date | 06-May |
| Volume | 132 |
| Issue | 3,296 |
| Page | 419 |
| Category | For the Schools |
| Part | 7 |
| Title | Screw Threads |
| Author | Duplex |
| Notes | Threading in the lathe. Basic screw threading tools, form tools, chasers, tools for thread measurement, the thread gauge, the micrometer, the thread setting gauge, cutting the thread |