| Year | 1931 |
| Date | 12-Mar |
| Volume | 64 |
| Issue | 1,557 |
| Page | 250 |
| Category | Workshop |
| Part | |
| Title | A Universal Milling Attachment |
| Author | H.H.J. |
| Notes | The hob, cutting the wheel, hob gashing cutter and threading tool, indexing, details slide rest, of worm and wheel blank, performance |