| Year | 1955 |
| Date | 17-Feb |
| Volume | 112 |
| Issue | 2,804 |
| Page | 185 |
| Category | Workshop |
| Part | |
| Title | Hints on Screwcutting |
| Author | "Duplex" |
| Notes | Graduations on thread indicator dials, resetting the screwcutting tool, depthing the thread, starting positions, finishing the thread, lubrication |