| Year | 1957 |
| Date | 23-May |
| Volume | 116 |
| Issue | 2,922 |
| Page | 753 |
| Category | Lathe |
| Part | 3 |
| Title | Making the most of your lathe. The swing-clear boring toolholder |
| Author | Martin Cleeve |
| Notes | Holder body, corner radii. Chamfering, body and base, boring the pivot hole, final notes |