| Year | 1954 |
| Date | 24-Jun |
| Volume | 110 |
| Issue | 2,770 |
| Page | 705 |
| Category | In the Workshop |
| Part | |
| Title | A Screwcutting and Indexing Attachment |
| Author | "Duplex" |
| Notes | Alterations to the quadrant, a detent for indexing, wheel stud and retaining plunger, mounting plate, components |